./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 32bit --witnessprinter.graph.data.programhash ca2f933d67faf408af35a2606c62cae5d484e0ad1d571925efee98edf8420268 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:10:03,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:10:03,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:10:03,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:10:03,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:10:03,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:10:03,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:10:03,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:10:03,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:10:03,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:10:03,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:10:03,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:10:03,353 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:10:03,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:10:03,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:10:03,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:10:03,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:10:03,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:10:03,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:10:03,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:10:03,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:10:03,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:10:03,362 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:10:03,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:10:03,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:10:03,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:10:03,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:10:03,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:10:03,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:10:03,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:10:03,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:10:03,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:10:03,370 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:10:03,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:10:03,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:10:03,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:10:03,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:10:03,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:10:03,375 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:10:03,375 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_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca2f933d67faf408af35a2606c62cae5d484e0ad1d571925efee98edf8420268 [2023-11-06 22:10:03,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:10:03,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:10:03,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:10:03,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:10:03,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:10:03,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-5.i [2023-11-06 22:10:07,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:10:07,890 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:10:07,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-5.i [2023-11-06 22:10:07,916 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/data/974e8d86e/c1c2f49bd9484b48bcbdb27fb7bc26a7/FLAGfe21a217e [2023-11-06 22:10:07,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/data/974e8d86e/c1c2f49bd9484b48bcbdb27fb7bc26a7 [2023-11-06 22:10:07,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:10:07,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:10:07,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:10:07,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:10:07,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:10:07,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:10:07" (1/1) ... [2023-11-06 22:10:07,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274f8000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:07, skipping insertion in model container [2023-11-06 22:10:07,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:10:07" (1/1) ... [2023-11-06 22:10:07,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:10:08,191 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-5.i[915,928] [2023-11-06 22:10:08,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:10:08,306 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:10:08,323 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-5.i[915,928] [2023-11-06 22:10:08,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:10:08,410 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:10:08,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08 WrapperNode [2023-11-06 22:10:08,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:10:08,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:10:08,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:10:08,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:10:08,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,530 INFO L138 Inliner]: procedures = 26, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 369 [2023-11-06 22:10:08,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:10:08,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:10:08,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:10:08,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:10:08,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:10:08,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:10:08,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:10:08,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:10:08,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (1/1) ... [2023-11-06 22:10:08,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:10:08,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:08,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:10:08,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:10:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:10:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:10:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:10:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:10:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:10:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:10:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:10:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:10:08,983 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:10:08,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:10:09,614 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:10:09,623 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:10:09,623 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:10:09,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:09 BoogieIcfgContainer [2023-11-06 22:10:09,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:10:09,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:10:09,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:10:09,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:10:09,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:10:07" (1/3) ... [2023-11-06 22:10:09,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6a8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:10:09, skipping insertion in model container [2023-11-06 22:10:09,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:08" (2/3) ... [2023-11-06 22:10:09,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6a8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:10:09, skipping insertion in model container [2023-11-06 22:10:09,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:09" (3/3) ... [2023-11-06 22:10:09,671 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-5.i [2023-11-06 22:10:09,697 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:10:09,697 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:10:09,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:10:09,767 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@1a5ca124, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:10:09,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:10:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 74 states have internal predecessors, (97), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:09,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:10:09,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:09,794 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:09,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:09,802 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:09,802 INFO L85 PathProgramCache]: Analyzing trace with hash -390685078, now seen corresponding path program 1 times [2023-11-06 22:10:09,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:09,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740514525] [2023-11-06 22:10:09,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:09,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:10,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:10,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740514525] [2023-11-06 22:10:10,107 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:10:10,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266063507] [2023-11-06 22:10:10,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:10,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:10,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:10,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:10,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:10:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:10,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:10:10,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-06 22:10:10,641 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:10,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266063507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:10,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:10,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:10:10,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142626040] [2023-11-06 22:10:10,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:10,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:10:10,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:10,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:10:10,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:10:10,721 INFO L87 Difference]: Start difference. First operand has 96 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 74 states have internal predecessors, (97), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:10:10,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:10,762 INFO L93 Difference]: Finished difference Result 185 states and 288 transitions. [2023-11-06 22:10:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:10:10,765 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 148 [2023-11-06 22:10:10,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:10,776 INFO L225 Difference]: With dead ends: 185 [2023-11-06 22:10:10,776 INFO L226 Difference]: Without dead ends: 92 [2023-11-06 22:10:10,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:10:10,785 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:10,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:10,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-06 22:10:10,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-06 22:10:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2023-11-06 22:10:10,859 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 148 [2023-11-06 22:10:10,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:10,860 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2023-11-06 22:10:10,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:10:10,861 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2023-11-06 22:10:10,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:10:10,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:10,867 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:10,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:11,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:11,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:11,070 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:11,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1268903826, now seen corresponding path program 1 times [2023-11-06 22:10:11,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:11,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100425028] [2023-11-06 22:10:11,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:11,256 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:11,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [549010917] [2023-11-06 22:10:11,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:11,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:11,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:11,261 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:11,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:10:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:11,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:10:11,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:11,615 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:11,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:11,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100425028] [2023-11-06 22:10:11,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:11,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549010917] [2023-11-06 22:10:11,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549010917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:11,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:11,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:10:11,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69317552] [2023-11-06 22:10:11,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:11,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:10:11,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:11,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:10:11,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:10:11,625 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:11,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:11,759 INFO L93 Difference]: Finished difference Result 193 states and 274 transitions. [2023-11-06 22:10:11,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:10:11,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 148 [2023-11-06 22:10:11,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:11,764 INFO L225 Difference]: With dead ends: 193 [2023-11-06 22:10:11,764 INFO L226 Difference]: Without dead ends: 104 [2023-11-06 22:10:11,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:10:11,768 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 21 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:11,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 377 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:11,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-06 22:10:11,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 94. [2023-11-06 22:10:11,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 72 states have internal predecessors, (92), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2023-11-06 22:10:11,797 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 148 [2023-11-06 22:10:11,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:11,802 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2023-11-06 22:10:11,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:11,803 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2023-11-06 22:10:11,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:10:11,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:11,813 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:11,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:12,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:12,021 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:12,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:12,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1948962196, now seen corresponding path program 1 times [2023-11-06 22:10:12,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:12,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889057405] [2023-11-06 22:10:12,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:12,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:12,120 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:12,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [80670664] [2023-11-06 22:10:12,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:12,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:12,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:12,137 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:12,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:10:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:12,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:10:12,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:12,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:12,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:12,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889057405] [2023-11-06 22:10:12,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:12,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80670664] [2023-11-06 22:10:12,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80670664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:12,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:12,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:10:12,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187013383] [2023-11-06 22:10:12,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:12,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:10:12,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:12,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:10:12,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:10:12,413 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:12,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:12,466 INFO L93 Difference]: Finished difference Result 193 states and 272 transitions. [2023-11-06 22:10:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:10:12,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 148 [2023-11-06 22:10:12,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:12,470 INFO L225 Difference]: With dead ends: 193 [2023-11-06 22:10:12,470 INFO L226 Difference]: Without dead ends: 102 [2023-11-06 22:10:12,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:10:12,473 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 12 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:12,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 375 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:12,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-06 22:10:12,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 96. [2023-11-06 22:10:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 74 states have (on average 1.2702702702702702) internal successors, (94), 74 states have internal predecessors, (94), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 134 transitions. [2023-11-06 22:10:12,498 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 134 transitions. Word has length 148 [2023-11-06 22:10:12,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:12,499 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 134 transitions. [2023-11-06 22:10:12,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:12,500 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2023-11-06 22:10:12,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:10:12,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:12,504 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:12,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:12,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:12,711 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:12,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:12,712 INFO L85 PathProgramCache]: Analyzing trace with hash -570997738, now seen corresponding path program 1 times [2023-11-06 22:10:12,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:12,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434793863] [2023-11-06 22:10:12,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:12,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:12,810 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:12,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [490783629] [2023-11-06 22:10:12,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:12,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:12,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:12,817 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:12,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:10:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:13,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:10:13,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:13,068 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:13,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:13,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434793863] [2023-11-06 22:10:13,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:13,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490783629] [2023-11-06 22:10:13,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490783629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:13,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:13,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:10:13,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899916686] [2023-11-06 22:10:13,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:13,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:10:13,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:13,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:10:13,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:10:13,073 INFO L87 Difference]: Start difference. First operand 96 states and 134 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:13,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:13,111 INFO L93 Difference]: Finished difference Result 193 states and 270 transitions. [2023-11-06 22:10:13,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:10:13,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 148 [2023-11-06 22:10:13,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:13,114 INFO L225 Difference]: With dead ends: 193 [2023-11-06 22:10:13,115 INFO L226 Difference]: Without dead ends: 100 [2023-11-06 22:10:13,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:10:13,117 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 3 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:13,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 374 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:13,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-06 22:10:13,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2023-11-06 22:10:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 76 states have (on average 1.263157894736842) internal successors, (96), 76 states have internal predecessors, (96), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2023-11-06 22:10:13,132 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 148 [2023-11-06 22:10:13,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:13,133 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2023-11-06 22:10:13,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2023-11-06 22:10:13,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:10:13,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:13,136 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:13,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:13,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:13,349 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:13,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:13,349 INFO L85 PathProgramCache]: Analyzing trace with hash -569150696, now seen corresponding path program 1 times [2023-11-06 22:10:13,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:13,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538717193] [2023-11-06 22:10:13,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:13,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:13,408 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:13,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1485486168] [2023-11-06 22:10:13,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:13,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:13,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:13,410 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:13,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:10:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:13,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:10:13,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:13,695 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:13,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:13,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538717193] [2023-11-06 22:10:13,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:13,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485486168] [2023-11-06 22:10:13,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485486168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:13,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:13,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:10:13,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297545174] [2023-11-06 22:10:13,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:13,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:10:13,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:13,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:10:13,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:10:13,710 INFO L87 Difference]: Start difference. First operand 98 states and 136 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:13,771 INFO L93 Difference]: Finished difference Result 220 states and 306 transitions. [2023-11-06 22:10:13,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:10:13,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 148 [2023-11-06 22:10:13,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:13,776 INFO L225 Difference]: With dead ends: 220 [2023-11-06 22:10:13,776 INFO L226 Difference]: Without dead ends: 125 [2023-11-06 22:10:13,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:10:13,784 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 46 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:13,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 366 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:13,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-06 22:10:13,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 100. [2023-11-06 22:10:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:13,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 138 transitions. [2023-11-06 22:10:13,837 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 138 transitions. Word has length 148 [2023-11-06 22:10:13,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:13,838 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 138 transitions. [2023-11-06 22:10:13,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2023-11-06 22:10:13,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:10:13,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:13,846 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:13,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:14,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:14,047 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:14,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:14,048 INFO L85 PathProgramCache]: Analyzing trace with hash 369047939, now seen corresponding path program 1 times [2023-11-06 22:10:14,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:14,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492973012] [2023-11-06 22:10:14,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:14,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:14,110 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:14,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [508079298] [2023-11-06 22:10:14,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:14,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:14,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:14,119 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:14,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:10:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:14,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:10:14,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:14,375 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:14,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:14,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:14,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492973012] [2023-11-06 22:10:14,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:14,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508079298] [2023-11-06 22:10:14,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508079298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:14,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:14,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:10:14,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236764205] [2023-11-06 22:10:14,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:14,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:10:14,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:14,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:10:14,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:10:14,379 INFO L87 Difference]: Start difference. First operand 100 states and 138 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:14,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:14,453 INFO L93 Difference]: Finished difference Result 215 states and 297 transitions. [2023-11-06 22:10:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:10:14,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2023-11-06 22:10:14,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:14,459 INFO L225 Difference]: With dead ends: 215 [2023-11-06 22:10:14,459 INFO L226 Difference]: Without dead ends: 118 [2023-11-06 22:10:14,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:10:14,463 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 54 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:14,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 493 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:14,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-06 22:10:14,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103. [2023-11-06 22:10:14,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 81 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 141 transitions. [2023-11-06 22:10:14,500 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 141 transitions. Word has length 150 [2023-11-06 22:10:14,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:14,503 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 141 transitions. [2023-11-06 22:10:14,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 141 transitions. [2023-11-06 22:10:14,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:10:14,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:14,507 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:14,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:14,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:10:14,715 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:14,715 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:14,716 INFO L85 PathProgramCache]: Analyzing trace with hash 846089747, now seen corresponding path program 1 times [2023-11-06 22:10:14,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:14,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771156440] [2023-11-06 22:10:14,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:14,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:14,785 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:14,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1761098555] [2023-11-06 22:10:14,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:14,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:14,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:14,790 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:14,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:10:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:15,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:10:15,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:15,100 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:10:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:15,119 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:15,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:15,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771156440] [2023-11-06 22:10:15,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:15,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761098555] [2023-11-06 22:10:15,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761098555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:15,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:15,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:10:15,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152996446] [2023-11-06 22:10:15,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:15,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:15,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:15,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:15,123 INFO L87 Difference]: Start difference. First operand 103 states and 141 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:15,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:15,148 INFO L93 Difference]: Finished difference Result 203 states and 279 transitions. [2023-11-06 22:10:15,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:15,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2023-11-06 22:10:15,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:15,151 INFO L225 Difference]: With dead ends: 203 [2023-11-06 22:10:15,152 INFO L226 Difference]: Without dead ends: 103 [2023-11-06 22:10:15,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:15,153 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:15,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:15,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-06 22:10:15,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-06 22:10:15,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 81 states have internal predecessors, (100), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:15,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 140 transitions. [2023-11-06 22:10:15,172 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 140 transitions. Word has length 150 [2023-11-06 22:10:15,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:15,173 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 140 transitions. [2023-11-06 22:10:15,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:15,173 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 140 transitions. [2023-11-06 22:10:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:10:15,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:15,177 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:15,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:15,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:10:15,390 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:15,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:15,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1338809080, now seen corresponding path program 1 times [2023-11-06 22:10:15,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:15,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217240318] [2023-11-06 22:10:15,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:15,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:15,428 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:15,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [929643205] [2023-11-06 22:10:15,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:15,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:15,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:15,430 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:15,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:10:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:15,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:10:15,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:15,681 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-06 22:10:15,691 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:15,692 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:15,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:15,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217240318] [2023-11-06 22:10:15,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:15,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929643205] [2023-11-06 22:10:15,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929643205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:15,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:15,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:10:15,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430680866] [2023-11-06 22:10:15,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:15,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:15,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:15,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:15,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:15,695 INFO L87 Difference]: Start difference. First operand 103 states and 140 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:15,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:15,710 INFO L93 Difference]: Finished difference Result 203 states and 277 transitions. [2023-11-06 22:10:15,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:15,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 152 [2023-11-06 22:10:15,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:15,712 INFO L225 Difference]: With dead ends: 203 [2023-11-06 22:10:15,713 INFO L226 Difference]: Without dead ends: 103 [2023-11-06 22:10:15,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:15,714 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:15,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 250 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:15,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-06 22:10:15,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-06 22:10:15,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.2222222222222223) internal successors, (99), 81 states have internal predecessors, (99), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 139 transitions. [2023-11-06 22:10:15,723 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 139 transitions. Word has length 152 [2023-11-06 22:10:15,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:15,724 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 139 transitions. [2023-11-06 22:10:15,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 139 transitions. [2023-11-06 22:10:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:10:15,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:15,727 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:15,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:15,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:15,940 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:15,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:15,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1761510906, now seen corresponding path program 1 times [2023-11-06 22:10:15,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:15,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101474668] [2023-11-06 22:10:15,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:16,013 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:16,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174384431] [2023-11-06 22:10:16,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:16,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:16,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:16,015 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:16,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:10:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:16,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:10:16,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:16,263 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-06 22:10:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:16,271 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:16,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:16,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101474668] [2023-11-06 22:10:16,271 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:16,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174384431] [2023-11-06 22:10:16,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174384431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:16,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:16,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:10:16,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476818916] [2023-11-06 22:10:16,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:16,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:16,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:16,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:16,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:16,274 INFO L87 Difference]: Start difference. First operand 103 states and 139 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:16,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:16,287 INFO L93 Difference]: Finished difference Result 231 states and 312 transitions. [2023-11-06 22:10:16,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:16,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 152 [2023-11-06 22:10:16,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:16,289 INFO L225 Difference]: With dead ends: 231 [2023-11-06 22:10:16,289 INFO L226 Difference]: Without dead ends: 131 [2023-11-06 22:10:16,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:16,290 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 32 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:16,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 268 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-06 22:10:16,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 103. [2023-11-06 22:10:16,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.2098765432098766) internal successors, (98), 81 states have internal predecessors, (98), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:10:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 138 transitions. [2023-11-06 22:10:16,298 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 138 transitions. Word has length 152 [2023-11-06 22:10:16,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:16,299 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 138 transitions. [2023-11-06 22:10:16,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 138 transitions. [2023-11-06 22:10:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:10:16,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:16,301 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:16,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:16,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:16,509 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:16,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:16,509 INFO L85 PathProgramCache]: Analyzing trace with hash 740442552, now seen corresponding path program 1 times [2023-11-06 22:10:16,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:16,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312297207] [2023-11-06 22:10:16,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:16,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:16,546 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:16,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682152513] [2023-11-06 22:10:16,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:16,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:16,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:16,548 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:16,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:10:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:16,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-06 22:10:16,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:17,613 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-06 22:10:17,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:17,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:17,689 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 36 [2023-11-06 22:10:17,698 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2023-11-06 22:10:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:10:17,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:10:18,599 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:18,599 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2023-11-06 22:10:18,609 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-11-06 22:10:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:20,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:20,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312297207] [2023-11-06 22:10:20,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:20,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682152513] [2023-11-06 22:10:20,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682152513] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:10:20,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:10:20,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 20 [2023-11-06 22:10:20,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524936863] [2023-11-06 22:10:20,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:20,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:10:20,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:20,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:10:20,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=308, Unknown=6, NotChecked=0, Total=380 [2023-11-06 22:10:20,853 INFO L87 Difference]: Start difference. First operand 103 states and 138 transitions. Second operand has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:25,495 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_~#signed_short_int_Array_0~0.offset| 10))) (and (forall ((v_ArrVal_498 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_498) |c_~#signed_short_int_Array_0~0.base|) .cse0) 0)) (= |c_ULTIMATE.start_property_#t~mem77#1| 0) (= 0 (select (select |c_#memory_int| |c_~#signed_short_int_Array_0~0.base|) .cse0)))) is different from false [2023-11-06 22:10:26,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:26,039 INFO L93 Difference]: Finished difference Result 361 states and 484 transitions. [2023-11-06 22:10:26,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:10:26,044 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 152 [2023-11-06 22:10:26,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:26,047 INFO L225 Difference]: With dead ends: 361 [2023-11-06 22:10:26,047 INFO L226 Difference]: Without dead ends: 261 [2023-11-06 22:10:26,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 284 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=109, Invalid=529, Unknown=16, NotChecked=48, Total=702 [2023-11-06 22:10:26,049 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 261 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 5 mSolverCounterUnsat, 43 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 43 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:26,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 738 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 443 Invalid, 43 Unknown, 9 Unchecked, 0.9s Time] [2023-11-06 22:10:26,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-11-06 22:10:26,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 199. [2023-11-06 22:10:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 156 states have (on average 1.2115384615384615) internal successors, (189), 156 states have internal predecessors, (189), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 269 transitions. [2023-11-06 22:10:26,082 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 269 transitions. Word has length 152 [2023-11-06 22:10:26,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:26,082 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 269 transitions. [2023-11-06 22:10:26,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2023-11-06 22:10:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-06 22:10:26,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:26,086 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:26,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:26,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:10:26,293 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:26,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:26,294 INFO L85 PathProgramCache]: Analyzing trace with hash -265451400, now seen corresponding path program 1 times [2023-11-06 22:10:26,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:26,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383721423] [2023-11-06 22:10:26,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:26,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:26,366 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:26,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1723259134] [2023-11-06 22:10:26,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:26,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:26,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:26,368 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:26,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:10:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:26,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:10:26,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:26,660 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:26,661 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 27 [2023-11-06 22:10:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:26,683 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:26,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:26,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383721423] [2023-11-06 22:10:26,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:26,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723259134] [2023-11-06 22:10:26,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723259134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:26,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:26,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:10:26,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991491627] [2023-11-06 22:10:26,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:26,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:26,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:26,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:26,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:26,688 INFO L87 Difference]: Start difference. First operand 199 states and 269 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:26,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:26,706 INFO L93 Difference]: Finished difference Result 362 states and 492 transitions. [2023-11-06 22:10:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:26,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 154 [2023-11-06 22:10:26,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:26,713 INFO L225 Difference]: With dead ends: 362 [2023-11-06 22:10:26,713 INFO L226 Difference]: Without dead ends: 166 [2023-11-06 22:10:26,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:26,715 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:26,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 215 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-06 22:10:26,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2023-11-06 22:10:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 123 states have (on average 1.170731707317073) internal successors, (144), 123 states have internal predecessors, (144), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 224 transitions. [2023-11-06 22:10:26,739 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 224 transitions. Word has length 154 [2023-11-06 22:10:26,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:26,740 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 224 transitions. [2023-11-06 22:10:26,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 224 transitions. [2023-11-06 22:10:26,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-06 22:10:26,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:26,744 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:26,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-06 22:10:26,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:10:26,959 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:26,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:26,960 INFO L85 PathProgramCache]: Analyzing trace with hash 328346865, now seen corresponding path program 1 times [2023-11-06 22:10:26,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:26,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36460431] [2023-11-06 22:10:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:26,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:26,999 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:26,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120105200] [2023-11-06 22:10:27,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:27,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:27,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:27,001 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:27,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:10:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:27,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:10:27,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:28,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:28,323 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:10:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:28,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:28,352 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2023-11-06 22:10:28,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:28,364 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:10:28,416 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 22:10:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:28,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:28,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:28,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36460431] [2023-11-06 22:10:28,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:28,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120105200] [2023-11-06 22:10:28,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120105200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:28,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:28,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:10:28,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447207254] [2023-11-06 22:10:28,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:28,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:10:28,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:28,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:10:28,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:10:28,439 INFO L87 Difference]: Start difference. First operand 166 states and 224 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:28,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:28,926 INFO L93 Difference]: Finished difference Result 354 states and 468 transitions. [2023-11-06 22:10:28,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:10:28,927 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 156 [2023-11-06 22:10:28,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:28,929 INFO L225 Difference]: With dead ends: 354 [2023-11-06 22:10:28,930 INFO L226 Difference]: Without dead ends: 256 [2023-11-06 22:10:28,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:10:28,931 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 215 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:28,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 263 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:10:28,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-06 22:10:28,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 193. [2023-11-06 22:10:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 150 states have (on average 1.16) internal successors, (174), 150 states have internal predecessors, (174), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 254 transitions. [2023-11-06 22:10:28,950 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 254 transitions. Word has length 156 [2023-11-06 22:10:28,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:28,950 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 254 transitions. [2023-11-06 22:10:28,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 254 transitions. [2023-11-06 22:10:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-06 22:10:28,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:28,953 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:28,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:29,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:10:29,160 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:29,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:29,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1819948433, now seen corresponding path program 1 times [2023-11-06 22:10:29,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:29,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218752780] [2023-11-06 22:10:29,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:29,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:29,195 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:29,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1213355547] [2023-11-06 22:10:29,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:29,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:29,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:29,197 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:29,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:10:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:29,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 22:10:29,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:30,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:30,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:30,315 INFO L322 Elim1Store]: treesize reduction 179, result has 20.4 percent of original size [2023-11-06 22:10:30,315 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 302 treesize of output 310 [2023-11-06 22:10:30,377 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 78 [2023-11-06 22:10:30,430 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-11-06 22:10:30,582 INFO L322 Elim1Store]: treesize reduction 37, result has 17.8 percent of original size [2023-11-06 22:10:30,583 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 72 treesize of output 76 [2023-11-06 22:10:30,667 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:10:30,671 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:10:30,687 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2023-11-06 22:10:30,903 INFO L322 Elim1Store]: treesize reduction 87, result has 13.9 percent of original size [2023-11-06 22:10:30,904 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 130 [2023-11-06 22:10:31,062 INFO L322 Elim1Store]: treesize reduction 67, result has 9.5 percent of original size [2023-11-06 22:10:31,063 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 44 [2023-11-06 22:10:31,205 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:10:31,208 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:10:31,209 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 166 [2023-11-06 22:10:31,228 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 122 [2023-11-06 22:10:31,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:31,332 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 225 [2023-11-06 22:10:31,354 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 175 [2023-11-06 22:10:31,541 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 31 [2023-11-06 22:10:31,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:31,722 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 37 [2023-11-06 22:10:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:32,379 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:32,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:32,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218752780] [2023-11-06 22:10:32,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:32,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213355547] [2023-11-06 22:10:32,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213355547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:32,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:32,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:10:32,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153347630] [2023-11-06 22:10:32,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:32,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:10:32,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:32,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:10:32,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:10:32,388 INFO L87 Difference]: Start difference. First operand 193 states and 254 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:33,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:33,449 INFO L93 Difference]: Finished difference Result 279 states and 371 transitions. [2023-11-06 22:10:33,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:10:33,449 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 156 [2023-11-06 22:10:33,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:33,453 INFO L225 Difference]: With dead ends: 279 [2023-11-06 22:10:33,453 INFO L226 Difference]: Without dead ends: 277 [2023-11-06 22:10:33,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:10:33,454 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 187 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:33,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 484 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:10:33,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2023-11-06 22:10:33,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 196. [2023-11-06 22:10:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 153 states have (on average 1.1568627450980393) internal successors, (177), 153 states have internal predecessors, (177), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 257 transitions. [2023-11-06 22:10:33,482 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 257 transitions. Word has length 156 [2023-11-06 22:10:33,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:33,482 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 257 transitions. [2023-11-06 22:10:33,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:33,483 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 257 transitions. [2023-11-06 22:10:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-06 22:10:33,485 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:33,486 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:33,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:33,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 22:10:33,694 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:33,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:33,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1818101391, now seen corresponding path program 1 times [2023-11-06 22:10:33,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:33,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670383214] [2023-11-06 22:10:33,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:33,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:33,730 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:33,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [707547006] [2023-11-06 22:10:33,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:33,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:33,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:33,733 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:33,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:10:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:34,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:10:34,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:34,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:34,872 INFO L322 Elim1Store]: treesize reduction 179, result has 20.4 percent of original size [2023-11-06 22:10:34,872 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 146 treesize of output 258 [2023-11-06 22:10:34,937 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 78 [2023-11-06 22:10:34,994 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2023-11-06 22:10:35,928 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 19 [2023-11-06 22:10:36,041 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:10:36,278 INFO L322 Elim1Store]: treesize reduction 50, result has 28.6 percent of original size [2023-11-06 22:10:36,279 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 49 [2023-11-06 22:10:36,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:36,420 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 72 [2023-11-06 22:10:36,431 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-11-06 22:10:36,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:36,493 INFO L322 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-11-06 22:10:36,493 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 175 treesize of output 135 [2023-11-06 22:10:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:36,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:36,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:36,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670383214] [2023-11-06 22:10:36,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:36,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707547006] [2023-11-06 22:10:36,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707547006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:36,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:36,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:10:36,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737074983] [2023-11-06 22:10:36,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:36,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:10:36,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:36,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:10:36,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:36,720 INFO L87 Difference]: Start difference. First operand 196 states and 257 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:37,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:37,118 INFO L93 Difference]: Finished difference Result 311 states and 408 transitions. [2023-11-06 22:10:37,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:10:37,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 156 [2023-11-06 22:10:37,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:37,124 INFO L225 Difference]: With dead ends: 311 [2023-11-06 22:10:37,124 INFO L226 Difference]: Without dead ends: 196 [2023-11-06 22:10:37,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:10:37,125 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 39 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:37,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 248 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:10:37,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-06 22:10:37,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2023-11-06 22:10:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 153 states have (on average 1.1503267973856208) internal successors, (176), 153 states have internal predecessors, (176), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2023-11-06 22:10:37,170 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 156 [2023-11-06 22:10:37,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:37,175 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2023-11-06 22:10:37,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:37,176 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2023-11-06 22:10:37,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-06 22:10:37,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:37,178 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:37,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:37,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:10:37,386 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:37,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:37,387 INFO L85 PathProgramCache]: Analyzing trace with hash -43094029, now seen corresponding path program 1 times [2023-11-06 22:10:37,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:37,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101195075] [2023-11-06 22:10:37,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:37,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:37,427 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:37,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2102492027] [2023-11-06 22:10:37,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:37,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:37,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:37,430 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:37,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:10:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:37,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:10:37,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:38,369 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-11-06 22:10:38,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:38,383 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:10:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:38,492 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:38,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:38,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101195075] [2023-11-06 22:10:38,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:38,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102492027] [2023-11-06 22:10:38,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102492027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:38,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:38,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:10:38,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525066073] [2023-11-06 22:10:38,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:38,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:10:38,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:38,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:10:38,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:38,498 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:38,838 INFO L93 Difference]: Finished difference Result 311 states and 406 transitions. [2023-11-06 22:10:38,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:10:38,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 156 [2023-11-06 22:10:38,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:38,847 INFO L225 Difference]: With dead ends: 311 [2023-11-06 22:10:38,848 INFO L226 Difference]: Without dead ends: 196 [2023-11-06 22:10:38,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:10:38,852 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 88 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:38,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 295 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:10:38,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-06 22:10:38,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2023-11-06 22:10:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 153 states have (on average 1.1437908496732025) internal successors, (175), 153 states have internal predecessors, (175), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:38,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 255 transitions. [2023-11-06 22:10:38,873 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 255 transitions. Word has length 156 [2023-11-06 22:10:38,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:38,874 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 255 transitions. [2023-11-06 22:10:38,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 255 transitions. [2023-11-06 22:10:38,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-06 22:10:38,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:38,876 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:38,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:39,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:10:39,083 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:39,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:39,083 INFO L85 PathProgramCache]: Analyzing trace with hash 636964341, now seen corresponding path program 1 times [2023-11-06 22:10:39,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:39,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684510801] [2023-11-06 22:10:39,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:39,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:39,113 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:39,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [671258327] [2023-11-06 22:10:39,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:39,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:39,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:39,116 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:39,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:10:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:39,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:10:39,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:39,454 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:39,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:39,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684510801] [2023-11-06 22:10:39,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:39,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671258327] [2023-11-06 22:10:39,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671258327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:39,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:39,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:10:39,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87250490] [2023-11-06 22:10:39,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:39,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:10:39,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:39,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:10:39,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:10:39,459 INFO L87 Difference]: Start difference. First operand 196 states and 255 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:39,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:39,518 INFO L93 Difference]: Finished difference Result 319 states and 413 transitions. [2023-11-06 22:10:39,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:10:39,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 156 [2023-11-06 22:10:39,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:39,521 INFO L225 Difference]: With dead ends: 319 [2023-11-06 22:10:39,521 INFO L226 Difference]: Without dead ends: 204 [2023-11-06 22:10:39,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:10:39,523 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 18 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:39,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 474 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:10:39,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2023-11-06 22:10:39,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 199. [2023-11-06 22:10:39,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 156 states have (on average 1.141025641025641) internal successors, (178), 156 states have internal predecessors, (178), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:39,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 258 transitions. [2023-11-06 22:10:39,544 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 258 transitions. Word has length 156 [2023-11-06 22:10:39,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:39,545 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 258 transitions. [2023-11-06 22:10:39,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 258 transitions. [2023-11-06 22:10:39,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-06 22:10:39,547 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:39,547 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:39,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:39,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:10:39,754 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:39,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:39,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1597318724, now seen corresponding path program 1 times [2023-11-06 22:10:39,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:39,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992925876] [2023-11-06 22:10:39,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:39,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:39,795 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:39,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434663824] [2023-11-06 22:10:39,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:39,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:39,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:39,797 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:39,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:10:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:40,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 22:10:40,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:41,058 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-06 22:10:41,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:41,164 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-06 22:10:41,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:41,187 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-06 22:10:41,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:41,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:41,205 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-06 22:10:41,277 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:41,277 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 28 [2023-11-06 22:10:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:10:41,329 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:10:41,435 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_883 (Array Int Int)) (v_ArrVal_884 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_884) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_883) |c_~#unsigned_char_Array_0~0.base|))) (= (mod (select .cse0 |c_~#unsigned_char_Array_0~0.offset|) 256) (mod (select .cse0 (+ |c_~#unsigned_char_Array_0~0.offset| 2)) 256)))) is different from false [2023-11-06 22:10:41,479 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:41,480 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 48 [2023-11-06 22:10:41,499 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:41,499 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 80 [2023-11-06 22:10:41,507 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2023-11-06 22:10:41,516 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:41,516 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 46 [2023-11-06 22:10:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:41,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:41,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992925876] [2023-11-06 22:10:41,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:41,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434663824] [2023-11-06 22:10:41,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434663824] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:10:41,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:10:41,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2023-11-06 22:10:41,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166835746] [2023-11-06 22:10:41,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:41,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:10:41,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:41,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:10:41,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=172, Unknown=1, NotChecked=26, Total=240 [2023-11-06 22:10:41,880 INFO L87 Difference]: Start difference. First operand 199 states and 258 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:43,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:43,006 INFO L93 Difference]: Finished difference Result 445 states and 558 transitions. [2023-11-06 22:10:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:10:43,007 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 157 [2023-11-06 22:10:43,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:43,010 INFO L225 Difference]: With dead ends: 445 [2023-11-06 22:10:43,010 INFO L226 Difference]: Without dead ends: 327 [2023-11-06 22:10:43,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=149, Invalid=556, Unknown=1, NotChecked=50, Total=756 [2023-11-06 22:10:43,013 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 244 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 230 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:43,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 533 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 472 Invalid, 0 Unknown, 230 Unchecked, 0.7s Time] [2023-11-06 22:10:43,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-11-06 22:10:43,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 224. [2023-11-06 22:10:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 181 states have (on average 1.138121546961326) internal successors, (206), 181 states have internal predecessors, (206), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 286 transitions. [2023-11-06 22:10:43,073 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 286 transitions. Word has length 157 [2023-11-06 22:10:43,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:43,075 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 286 transitions. [2023-11-06 22:10:43,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 286 transitions. [2023-11-06 22:10:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-06 22:10:43,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:43,077 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:43,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:43,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:10:43,285 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:43,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:43,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1788976646, now seen corresponding path program 1 times [2023-11-06 22:10:43,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:43,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212316611] [2023-11-06 22:10:43,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:43,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:43,314 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:43,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1088870031] [2023-11-06 22:10:43,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:43,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:43,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:43,316 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:43,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:10:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:43,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:10:43,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:44,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:44,747 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 39 [2023-11-06 22:10:44,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:44,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:44,774 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2023-11-06 22:10:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:44,800 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 39 [2023-11-06 22:10:45,002 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:45,002 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 32 [2023-11-06 22:10:45,036 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:45,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:45,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:45,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212316611] [2023-11-06 22:10:45,037 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:45,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088870031] [2023-11-06 22:10:45,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088870031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:45,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:45,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:10:45,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509963720] [2023-11-06 22:10:45,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:45,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:10:45,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:45,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:10:45,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:10:45,040 INFO L87 Difference]: Start difference. First operand 224 states and 286 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:46,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:46,287 INFO L93 Difference]: Finished difference Result 395 states and 497 transitions. [2023-11-06 22:10:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:10:46,293 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2023-11-06 22:10:46,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:46,298 INFO L225 Difference]: With dead ends: 395 [2023-11-06 22:10:46,298 INFO L226 Difference]: Without dead ends: 263 [2023-11-06 22:10:46,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:10:46,300 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 147 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:46,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 280 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:10:46,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-11-06 22:10:46,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 234. [2023-11-06 22:10:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 191 states have (on average 1.1413612565445026) internal successors, (218), 191 states have internal predecessors, (218), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:46,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 298 transitions. [2023-11-06 22:10:46,338 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 298 transitions. Word has length 158 [2023-11-06 22:10:46,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:46,339 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 298 transitions. [2023-11-06 22:10:46,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:46,339 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 298 transitions. [2023-11-06 22:10:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-06 22:10:46,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:46,341 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:46,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:46,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:10:46,552 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:46,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:46,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1552000106, now seen corresponding path program 1 times [2023-11-06 22:10:46,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:46,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350884634] [2023-11-06 22:10:46,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:46,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:46,587 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:46,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827450392] [2023-11-06 22:10:46,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:46,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:46,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:46,589 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:46,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:10:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:46,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:10:46,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:48,213 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:10:48,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:48,278 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:10:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:48,294 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:10:48,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:48,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:48,309 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2023-11-06 22:10:48,351 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 22:10:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:48,379 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:48,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:48,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350884634] [2023-11-06 22:10:48,380 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:48,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827450392] [2023-11-06 22:10:48,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827450392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:48,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:48,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:10:48,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389559986] [2023-11-06 22:10:48,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:48,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:10:48,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:48,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:10:48,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:10:48,382 INFO L87 Difference]: Start difference. First operand 234 states and 298 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:49,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:49,005 INFO L93 Difference]: Finished difference Result 487 states and 605 transitions. [2023-11-06 22:10:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:10:49,006 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2023-11-06 22:10:49,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:49,009 INFO L225 Difference]: With dead ends: 487 [2023-11-06 22:10:49,010 INFO L226 Difference]: Without dead ends: 345 [2023-11-06 22:10:49,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:10:49,011 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 224 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:49,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 293 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:10:49,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-11-06 22:10:49,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 261. [2023-11-06 22:10:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 218 states have (on average 1.1376146788990826) internal successors, (248), 218 states have internal predecessors, (248), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 328 transitions. [2023-11-06 22:10:49,063 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 328 transitions. Word has length 158 [2023-11-06 22:10:49,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:49,064 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 328 transitions. [2023-11-06 22:10:49,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 328 transitions. [2023-11-06 22:10:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:10:49,068 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:49,068 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:49,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-06 22:10:49,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:49,276 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:49,276 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:49,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1931000639, now seen corresponding path program 1 times [2023-11-06 22:10:49,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:49,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806966892] [2023-11-06 22:10:49,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:49,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:49,317 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:49,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1244161314] [2023-11-06 22:10:49,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:49,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:49,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:49,320 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:49,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 22:10:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:49,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:10:49,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:50,544 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-06 22:10:50,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:50,628 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-06 22:10:50,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:50,650 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-06 22:10:50,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:50,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:50,667 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-06 22:10:50,754 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:50,754 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 28 [2023-11-06 22:10:50,822 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:10:50,823 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:10:50,960 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1060 (Array Int Int)) (v_ArrVal_1059 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_1060) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_1059) |c_~#unsigned_char_Array_0~0.base|))) (= (mod (select .cse0 (+ |c_~#unsigned_char_Array_0~0.offset| 2)) 256) (mod (select .cse0 |c_~#unsigned_char_Array_0~0.offset|) 256)))) is different from false [2023-11-06 22:10:51,014 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:51,014 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 48 [2023-11-06 22:10:51,024 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:51,025 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 196 treesize of output 166 [2023-11-06 22:10:51,033 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2023-11-06 22:10:51,047 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:51,048 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2023-11-06 22:10:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:51,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:51,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806966892] [2023-11-06 22:10:51,444 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:51,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244161314] [2023-11-06 22:10:51,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244161314] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:10:51,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:10:51,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 18 [2023-11-06 22:10:51,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547823460] [2023-11-06 22:10:51,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:51,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:10:51,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:51,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:10:51,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=229, Unknown=1, NotChecked=30, Total=306 [2023-11-06 22:10:51,450 INFO L87 Difference]: Start difference. First operand 261 states and 328 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:52,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:52,671 INFO L93 Difference]: Finished difference Result 499 states and 612 transitions. [2023-11-06 22:10:52,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:10:52,672 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2023-11-06 22:10:52,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:52,675 INFO L225 Difference]: With dead ends: 499 [2023-11-06 22:10:52,675 INFO L226 Difference]: Without dead ends: 343 [2023-11-06 22:10:52,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=216, Invalid=843, Unknown=1, NotChecked=62, Total=1122 [2023-11-06 22:10:52,681 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 236 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 223 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:52,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 641 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 547 Invalid, 0 Unknown, 223 Unchecked, 0.7s Time] [2023-11-06 22:10:52,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2023-11-06 22:10:52,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 259. [2023-11-06 22:10:52,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 216 states have (on average 1.1388888888888888) internal successors, (246), 216 states have internal predecessors, (246), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:52,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 326 transitions. [2023-11-06 22:10:52,718 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 326 transitions. Word has length 159 [2023-11-06 22:10:52,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:52,719 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 326 transitions. [2023-11-06 22:10:52,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:52,719 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 326 transitions. [2023-11-06 22:10:52,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:10:52,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:52,720 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:52,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:52,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:52,921 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:52,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:52,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1840755671, now seen corresponding path program 1 times [2023-11-06 22:10:52,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:52,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848152180] [2023-11-06 22:10:52,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:52,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:52,952 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:52,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1222180235] [2023-11-06 22:10:52,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:52,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:52,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:52,954 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:52,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 22:10:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:53,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-06 22:10:53,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:54,514 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-06 22:10:54,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:54,622 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-06 22:10:54,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:54,689 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-06 22:10:54,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:54,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:54,713 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-06 22:10:54,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:54,724 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-06 22:10:54,791 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:54,792 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 28 [2023-11-06 22:10:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:10:54,845 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:10:54,959 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1126 (Array Int Int)) (v_ArrVal_1125 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_1125) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_1126) |c_~#unsigned_char_Array_0~0.base|))) (= (mod (select .cse0 (+ |c_~#unsigned_char_Array_0~0.offset| 2)) 256) (mod (select .cse0 |c_~#unsigned_char_Array_0~0.offset|) 256)))) is different from false [2023-11-06 22:10:55,105 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:55,105 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 54 [2023-11-06 22:10:55,119 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:55,119 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3012 treesize of output 2842 [2023-11-06 22:10:55,137 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-11-06 22:10:55,144 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2023-11-06 22:10:55,170 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:55,171 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 58 [2023-11-06 22:10:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:55,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:55,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848152180] [2023-11-06 22:10:55,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:55,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222180235] [2023-11-06 22:10:55,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222180235] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:10:55,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:10:55,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 18 [2023-11-06 22:10:55,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603225482] [2023-11-06 22:10:55,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:55,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:10:55,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:55,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:10:55,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=216, Unknown=11, NotChecked=30, Total=306 [2023-11-06 22:10:55,669 INFO L87 Difference]: Start difference. First operand 259 states and 326 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:57,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:57,012 INFO L93 Difference]: Finished difference Result 525 states and 648 transitions. [2023-11-06 22:10:57,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:10:57,012 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2023-11-06 22:10:57,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:57,015 INFO L225 Difference]: With dead ends: 525 [2023-11-06 22:10:57,016 INFO L226 Difference]: Without dead ends: 371 [2023-11-06 22:10:57,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=640, Unknown=11, NotChecked=54, Total=870 [2023-11-06 22:10:57,018 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 319 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 226 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:57,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 494 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 575 Invalid, 0 Unknown, 226 Unchecked, 0.8s Time] [2023-11-06 22:10:57,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-11-06 22:10:57,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 260. [2023-11-06 22:10:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 217 states have (on average 1.1382488479262673) internal successors, (247), 217 states have internal predecessors, (247), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:10:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 327 transitions. [2023-11-06 22:10:57,054 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 327 transitions. Word has length 159 [2023-11-06 22:10:57,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:57,055 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 327 transitions. [2023-11-06 22:10:57,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:10:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 327 transitions. [2023-11-06 22:10:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:10:57,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:57,057 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:57,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:57,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:57,265 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:57,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:57,266 INFO L85 PathProgramCache]: Analyzing trace with hash -621184161, now seen corresponding path program 1 times [2023-11-06 22:10:57,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:57,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641344117] [2023-11-06 22:10:57,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:57,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:57,311 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:10:57,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362286774] [2023-11-06 22:10:57,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:57,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:57,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:57,314 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:57,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 22:10:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:57,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 22:10:57,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:58,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:58,962 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:58,963 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 45 [2023-11-06 22:10:59,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,092 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-11-06 22:10:59,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,149 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2023-11-06 22:10:59,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,176 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-11-06 22:10:59,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:59,655 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:10:59,656 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 56 [2023-11-06 22:10:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:10:59,720 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:59,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:59,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641344117] [2023-11-06 22:10:59,720 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:10:59,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362286774] [2023-11-06 22:10:59,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362286774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:59,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:59,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-06 22:10:59,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386480476] [2023-11-06 22:10:59,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:59,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:10:59,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:59,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:10:59,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:10:59,722 INFO L87 Difference]: Start difference. First operand 260 states and 327 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:02,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:02,453 INFO L93 Difference]: Finished difference Result 566 states and 688 transitions. [2023-11-06 22:11:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-06 22:11:02,454 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2023-11-06 22:11:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:02,457 INFO L225 Difference]: With dead ends: 566 [2023-11-06 22:11:02,457 INFO L226 Difference]: Without dead ends: 411 [2023-11-06 22:11:02,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=331, Invalid=929, Unknown=0, NotChecked=0, Total=1260 [2023-11-06 22:11:02,464 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 359 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:02,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 597 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:11:02,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-11-06 22:11:02,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 324. [2023-11-06 22:11:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 281 states have (on average 1.1352313167259787) internal successors, (319), 281 states have internal predecessors, (319), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:11:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 399 transitions. [2023-11-06 22:11:02,512 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 399 transitions. Word has length 160 [2023-11-06 22:11:02,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:02,513 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 399 transitions. [2023-11-06 22:11:02,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 399 transitions. [2023-11-06 22:11:02,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:11:02,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:02,516 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:02,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:11:02,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:11:02,724 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:11:02,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:02,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1207990175, now seen corresponding path program 1 times [2023-11-06 22:11:02,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:02,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342578889] [2023-11-06 22:11:02,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:02,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:02,757 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:11:02,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1809808868] [2023-11-06 22:11:02,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:02,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:11:02,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:11:02,759 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:11:02,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-06 22:11:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:03,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 22:11:03,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:11:03,879 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:03,879 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 28 [2023-11-06 22:11:03,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:03,940 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2023-11-06 22:11:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:03,961 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2023-11-06 22:11:03,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:03,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:03,978 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-06 22:11:04,062 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:04,062 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 16 [2023-11-06 22:11:04,092 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:11:04,092 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:11:04,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:04,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342578889] [2023-11-06 22:11:04,093 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:11:04,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809808868] [2023-11-06 22:11:04,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809808868] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:04,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:04,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:11:04,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114927938] [2023-11-06 22:11:04,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:04,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:11:04,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:04,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:11:04,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:11:04,095 INFO L87 Difference]: Start difference. First operand 324 states and 399 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:04,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:04,635 INFO L93 Difference]: Finished difference Result 565 states and 690 transitions. [2023-11-06 22:11:04,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:11:04,636 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2023-11-06 22:11:04,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:04,639 INFO L225 Difference]: With dead ends: 565 [2023-11-06 22:11:04,640 INFO L226 Difference]: Without dead ends: 370 [2023-11-06 22:11:04,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:11:04,643 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 148 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:04,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 339 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:11:04,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-11-06 22:11:04,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 324. [2023-11-06 22:11:04,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 281 states have (on average 1.1316725978647686) internal successors, (318), 281 states have internal predecessors, (318), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:11:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 398 transitions. [2023-11-06 22:11:04,677 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 398 transitions. Word has length 160 [2023-11-06 22:11:04,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:04,678 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 398 transitions. [2023-11-06 22:11:04,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 398 transitions. [2023-11-06 22:11:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:11:04,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:04,680 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:04,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:11:04,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:11:04,889 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:11:04,890 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:04,890 INFO L85 PathProgramCache]: Analyzing trace with hash 80415713, now seen corresponding path program 1 times [2023-11-06 22:11:04,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:04,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115408790] [2023-11-06 22:11:04,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:04,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:04,935 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:11:04,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1527949826] [2023-11-06 22:11:04,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:04,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:11:04,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:11:04,945 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:11:04,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-06 22:11:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:05,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 22:11:05,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:11:06,029 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:06,029 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2023-11-06 22:11:06,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:06,077 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2023-11-06 22:11:06,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:06,093 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2023-11-06 22:11:06,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:06,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:06,112 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2023-11-06 22:11:06,216 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:11:06,216 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:11:06,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:06,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115408790] [2023-11-06 22:11:06,217 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:11:06,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527949826] [2023-11-06 22:11:06,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527949826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:06,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:06,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:11:06,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959834669] [2023-11-06 22:11:06,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:06,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:11:06,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:06,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:11:06,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:11:06,223 INFO L87 Difference]: Start difference. First operand 324 states and 398 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:06,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:06,762 INFO L93 Difference]: Finished difference Result 553 states and 675 transitions. [2023-11-06 22:11:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:11:06,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2023-11-06 22:11:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:06,766 INFO L225 Difference]: With dead ends: 553 [2023-11-06 22:11:06,766 INFO L226 Difference]: Without dead ends: 358 [2023-11-06 22:11:06,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:11:06,767 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 144 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:06,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 232 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:11:06,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-11-06 22:11:06,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 324. [2023-11-06 22:11:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 281 states have (on average 1.1281138790035588) internal successors, (317), 281 states have internal predecessors, (317), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:11:06,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 397 transitions. [2023-11-06 22:11:06,800 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 397 transitions. Word has length 160 [2023-11-06 22:11:06,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:06,800 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 397 transitions. [2023-11-06 22:11:06,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 397 transitions. [2023-11-06 22:11:06,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:11:06,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:06,802 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:06,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:11:07,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:11:07,010 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:11:07,010 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:07,011 INFO L85 PathProgramCache]: Analyzing trace with hash -506390301, now seen corresponding path program 1 times [2023-11-06 22:11:07,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:07,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65506116] [2023-11-06 22:11:07,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:07,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:07,040 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:11:07,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359144715] [2023-11-06 22:11:07,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:07,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:11:07,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:11:07,042 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:11:07,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-06 22:11:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:07,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-06 22:11:07,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:11:08,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,549 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:08,549 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 45 [2023-11-06 22:11:08,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,683 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-11-06 22:11:08,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,721 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2023-11-06 22:11:08,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:08,743 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-11-06 22:11:09,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:09,224 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:09,224 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 56 [2023-11-06 22:11:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:11:09,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:11:09,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:09,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65506116] [2023-11-06 22:11:09,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:11:09,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359144715] [2023-11-06 22:11:09,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359144715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:09,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:09,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-06 22:11:09,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946431474] [2023-11-06 22:11:09,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:09,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:11:09,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:09,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:11:09,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:11:09,293 INFO L87 Difference]: Start difference. First operand 324 states and 397 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:11,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:11,891 INFO L93 Difference]: Finished difference Result 578 states and 700 transitions. [2023-11-06 22:11:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-06 22:11:11,892 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2023-11-06 22:11:11,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:11,895 INFO L225 Difference]: With dead ends: 578 [2023-11-06 22:11:11,895 INFO L226 Difference]: Without dead ends: 383 [2023-11-06 22:11:11,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=302, Invalid=820, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:11:11,898 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 251 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:11,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 686 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:11:11,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2023-11-06 22:11:11,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 320. [2023-11-06 22:11:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 277 states have (on average 1.1263537906137184) internal successors, (312), 277 states have internal predecessors, (312), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:11:11,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 392 transitions. [2023-11-06 22:11:11,943 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 392 transitions. Word has length 160 [2023-11-06 22:11:11,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:11,943 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 392 transitions. [2023-11-06 22:11:11,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 392 transitions. [2023-11-06 22:11:11,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:11:11,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:11,946 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:11,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-11-06 22:11:12,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-06 22:11:12,154 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:11:12,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:12,154 INFO L85 PathProgramCache]: Analyzing trace with hash 771357668, now seen corresponding path program 1 times [2023-11-06 22:11:12,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:12,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100797654] [2023-11-06 22:11:12,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:12,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:12,187 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:11:12,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [298076517] [2023-11-06 22:11:12,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:12,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:11:12,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:11:12,189 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:11:12,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-06 22:11:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:12,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-06 22:11:12,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:11:13,625 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-06 22:11:13,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:13,705 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-06 22:11:13,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:13,761 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-06 22:11:13,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:13,774 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-06 22:11:13,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:13,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:13,786 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-06 22:11:13,847 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:13,847 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 28 [2023-11-06 22:11:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:11:13,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:11:14,050 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1433 (Array Int Int)) (v_ArrVal_1432 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_1433) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_1432) |c_~#unsigned_char_Array_0~0.base|))) (= (mod (select .cse0 |c_~#unsigned_char_Array_0~0.offset|) 256) (mod (select .cse0 (+ |c_~#unsigned_char_Array_0~0.offset| 2)) 256)))) is different from false [2023-11-06 22:11:14,085 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1433 (Array Int Int)) (v_ArrVal_1432 (Array Int Int)) (v_ArrVal_1430 (Array Int Int))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_1430) |c_~#signed_long_int_Array_0~0.base| v_ArrVal_1433) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_1432) |c_~#unsigned_char_Array_0~0.base|))) (= (mod (select .cse0 (+ |c_~#unsigned_char_Array_0~0.offset| 2)) 256) (mod (select .cse0 |c_~#unsigned_char_Array_0~0.offset|) 256)))) is different from false [2023-11-06 22:11:14,119 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:14,120 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 54 [2023-11-06 22:11:14,129 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:14,130 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 380 treesize of output 350 [2023-11-06 22:11:14,145 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:14,145 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 132 [2023-11-06 22:11:14,153 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2023-11-06 22:11:14,168 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:14,169 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 62 [2023-11-06 22:11:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:11:14,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:14,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100797654] [2023-11-06 22:11:14,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:11:14,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298076517] [2023-11-06 22:11:14,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298076517] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:11:14,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:11:14,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 20 [2023-11-06 22:11:14,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526796122] [2023-11-06 22:11:14,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:14,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:11:14,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:14,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:11:14,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=259, Unknown=2, NotChecked=66, Total=380 [2023-11-06 22:11:14,617 INFO L87 Difference]: Start difference. First operand 320 states and 392 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:15,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:15,876 INFO L93 Difference]: Finished difference Result 629 states and 762 transitions. [2023-11-06 22:11:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:11:15,881 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 161 [2023-11-06 22:11:15,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:15,884 INFO L225 Difference]: With dead ends: 629 [2023-11-06 22:11:15,885 INFO L226 Difference]: Without dead ends: 438 [2023-11-06 22:11:15,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 303 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=223, Invalid=905, Unknown=2, NotChecked=130, Total=1260 [2023-11-06 22:11:15,887 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 231 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 463 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:15,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 571 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 617 Invalid, 0 Unknown, 463 Unchecked, 0.7s Time] [2023-11-06 22:11:15,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2023-11-06 22:11:15,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 316. [2023-11-06 22:11:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 273 states have (on average 1.1282051282051282) internal successors, (308), 273 states have internal predecessors, (308), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:11:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 388 transitions. [2023-11-06 22:11:15,924 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 388 transitions. Word has length 161 [2023-11-06 22:11:15,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:15,924 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 388 transitions. [2023-11-06 22:11:15,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:11:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 388 transitions. [2023-11-06 22:11:15,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-11-06 22:11:15,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:15,928 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:15,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-11-06 22:11:16,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:11:16,135 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:11:16,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:16,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1005225641, now seen corresponding path program 1 times [2023-11-06 22:11:16,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:16,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85444112] [2023-11-06 22:11:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:16,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:16,177 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:11:16,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1241330663] [2023-11-06 22:11:16,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:16,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:11:16,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:11:16,179 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:11:16,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-06 22:11:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:16,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-06 22:11:16,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:11:17,683 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-06 22:11:17,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:17,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:17,826 INFO L322 Elim1Store]: treesize reduction 94, result has 18.3 percent of original size [2023-11-06 22:11:17,827 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 113 [2023-11-06 22:11:17,931 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2023-11-06 22:11:18,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:18,016 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 119 [2023-11-06 22:11:18,088 INFO L322 Elim1Store]: treesize reduction 176, result has 9.3 percent of original size [2023-11-06 22:11:18,089 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 134 treesize of output 208 [2023-11-06 22:11:18,192 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 53 [2023-11-06 22:11:18,236 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 53 [2023-11-06 22:11:18,825 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 50 [2023-11-06 22:11:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3188 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 3169 trivial. 0 not checked. [2023-11-06 22:11:21,399 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:11:22,520 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:11:22,520 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2023-11-06 22:11:22,523 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-11-06 22:11:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3188 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 3168 trivial. 0 not checked. [2023-11-06 22:11:29,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:29,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85444112] [2023-11-06 22:11:29,077 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:11:29,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241330663] [2023-11-06 22:11:29,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241330663] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:11:29,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:11:29,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2023-11-06 22:11:29,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887192798] [2023-11-06 22:11:29,078 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:11:29,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-06 22:11:29,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:29,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-06 22:11:29,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=435, Unknown=10, NotChecked=0, Total=552 [2023-11-06 22:11:29,083 INFO L87 Difference]: Start difference. First operand 316 states and 388 transitions. Second operand has 24 states, 24 states have (on average 6.166666666666667) internal successors, (148), 24 states have internal predecessors, (148), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-06 22:11:45,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:45,109 INFO L93 Difference]: Finished difference Result 509 states and 626 transitions. [2023-11-06 22:11:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:11:45,117 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.166666666666667) internal successors, (148), 24 states have internal predecessors, (148), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 305 [2023-11-06 22:11:45,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:45,118 INFO L225 Difference]: With dead ends: 509 [2023-11-06 22:11:45,118 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:11:45,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=249, Invalid=707, Unknown=36, NotChecked=0, Total=992 [2023-11-06 22:11:45,121 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 434 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:45,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 846 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-06 22:11:45,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:11:45,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:11:45,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:11:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:11:45,125 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2023-11-06 22:11:45,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:45,125 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:11:45,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.166666666666667) internal successors, (148), 24 states have internal predecessors, (148), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-06 22:11:45,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:11:45,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:11:45,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:11:45,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2023-11-06 22:11:45,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:11:45,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:11:56,795 WARN L293 SmtUtils]: Spent 11.41s on a formula simplification. DAG size of input: 246 DAG size of output: 227 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-06 22:12:03,661 WARN L293 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 231 DAG size of output: 227 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-06 22:12:14,258 WARN L293 SmtUtils]: Spent 10.59s on a formula simplification. DAG size of input: 236 DAG size of output: 225 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-06 22:12:18,388 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-11-06 22:12:18,388 INFO L899 garLoopResultBuilder]: For program point L60-2(line 60) no Hoare annotation was computed. [2023-11-06 22:12:18,389 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,389 INFO L899 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2023-11-06 22:12:18,389 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 22:12:18,389 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 22:12:18,390 INFO L895 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: (let ((.cse3 (+ 8 |~#signed_short_int_Array_0~0.offset|)) (.cse1 (+ |~#unsigned_char_Array_0~0.offset| 2)) (.cse6 (select |#memory_int| |~#signed_short_int_Array_0~0.base|)) (.cse0 (select |#memory_int| 7)) (.cse2 (select |#memory_int| 6))) (and (= (mod (select .cse0 .cse1) 256) (select .cse2 .cse3)) (let ((.cse8 (select .cse6 |~#signed_short_int_Array_0~0.offset|))) (or (and (exists ((v_subst_27 Int) (v_arrayElimArr_19 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int))) (let ((.cse5 (select v_arrayElimArr_19 .cse3)) (.cse7 (select v_arrayElimArr_19 |~#signed_short_int_Array_0~0.offset|)) (.cse4 (select |#memory_int| v_subst_27))) (and (= (mod (select .cse4 .cse1) 256) .cse5) (= v_arrayElimArr_19 (store (store .cse6 .cse3 .cse5) |~#signed_short_int_Array_0~0.offset| .cse7)) (= .cse8 .cse7) (<= v_subst_27 5) (= .cse4 (select (store (store |#memory_int| v_subst_27 v_DerPreprocessor_17) |~#signed_short_int_Array_0~0.base| v_arrayElimArr_19) v_subst_27))))) (= |~#signed_short_int_Array_0~0.offset| .cse1)) (and (exists ((v_subst_25 Int) (v_prenex_24 (Array Int Int)) (v_prenex_23 (Array Int Int))) (let ((.cse10 (select v_prenex_23 .cse3)) (.cse11 (select v_prenex_23 |~#signed_short_int_Array_0~0.offset|)) (.cse9 (select |#memory_int| v_subst_25))) (and (= (mod (select .cse9 .cse1) 256) .cse10) (= .cse8 .cse11) (<= v_subst_25 5) (= (store (store .cse6 .cse3 .cse10) |~#signed_short_int_Array_0~0.offset| .cse11) v_prenex_23) (= .cse9 (select (store (store |#memory_int| v_subst_25 v_prenex_24) |~#signed_short_int_Array_0~0.base| v_prenex_23) v_subst_25))))) (= |~#unsigned_char_Array_0~0.offset| (+ 6 |~#signed_short_int_Array_0~0.offset|))) (exists ((v_subst_26 Int)) (and (exists ((v_prenex_21 (Array Int Int)) (v_prenex_22 (Array Int Int)) (v_y_8 Int)) (let ((.cse12 (select v_prenex_21 |~#signed_short_int_Array_0~0.offset|)) (.cse14 (select v_prenex_21 .cse1)) (.cse13 (* 256 v_y_8)) (.cse15 (select v_prenex_21 .cse3)) (.cse16 (select |#memory_int| v_subst_26))) (and (= .cse12 .cse8) (<= .cse13 .cse14) (= (store (store .cse6 .cse3 .cse15) |~#signed_short_int_Array_0~0.offset| .cse12) v_prenex_21) (= (select (store (store |#memory_int| v_subst_26 v_prenex_22) |~#signed_short_int_Array_0~0.base| v_prenex_21) v_subst_26) .cse16) (<= .cse14 (+ 255 .cse13)) (= .cse15 (mod (select .cse16 .cse1) 256))))) (<= v_subst_26 5))))) (= (select .cse6 (+ |~#signed_short_int_Array_0~0.offset| 10)) 0) (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= (+ 4 (select (select |#memory_int| 5) |~#signed_long_int_Array_0~0.offset|)) 0) (= (mod (select .cse0 |~#unsigned_char_Array_0~0.offset|) 256) (select .cse2 |~#signed_short_int_Array_0~0.offset|)) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|))) [2023-11-06 22:12:18,390 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,390 INFO L899 garLoopResultBuilder]: For program point L77-1(line 77) no Hoare annotation was computed. [2023-11-06 22:12:18,390 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 54) no Hoare annotation was computed. [2023-11-06 22:12:18,390 INFO L899 garLoopResultBuilder]: For program point L44-1(lines 44 54) no Hoare annotation was computed. [2023-11-06 22:12:18,390 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 105 116) the Hoare annotation is: false [2023-11-06 22:12:18,390 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,390 INFO L895 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,391 INFO L899 garLoopResultBuilder]: For program point L102-1(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,391 INFO L899 garLoopResultBuilder]: For program point L69-1(line 69) no Hoare annotation was computed. [2023-11-06 22:12:18,391 INFO L899 garLoopResultBuilder]: For program point L102-3(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,391 INFO L899 garLoopResultBuilder]: For program point L102-5(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,391 INFO L899 garLoopResultBuilder]: For program point L102-6(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,391 INFO L899 garLoopResultBuilder]: For program point L102-7(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,391 INFO L895 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,391 INFO L899 garLoopResultBuilder]: For program point L102-8(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,392 INFO L899 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2023-11-06 22:12:18,392 INFO L899 garLoopResultBuilder]: For program point L102-9(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,392 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:12:18,392 INFO L899 garLoopResultBuilder]: For program point L102-11(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,392 INFO L899 garLoopResultBuilder]: For program point L102-13(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,392 INFO L899 garLoopResultBuilder]: For program point L102-15(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,393 INFO L899 garLoopResultBuilder]: For program point L102-17(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,393 INFO L899 garLoopResultBuilder]: For program point L102-18(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,393 INFO L899 garLoopResultBuilder]: For program point L102-19(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,393 INFO L899 garLoopResultBuilder]: For program point L102-20(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,393 INFO L899 garLoopResultBuilder]: For program point L102-22(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,393 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,394 INFO L899 garLoopResultBuilder]: For program point L102-24(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,394 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-11-06 22:12:18,394 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 53) no Hoare annotation was computed. [2023-11-06 22:12:18,394 INFO L899 garLoopResultBuilder]: For program point L102-26(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,394 INFO L899 garLoopResultBuilder]: For program point L102-27(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,394 INFO L899 garLoopResultBuilder]: For program point L102-29(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,395 INFO L899 garLoopResultBuilder]: For program point L102-30(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,395 INFO L899 garLoopResultBuilder]: For program point L102-32(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,395 INFO L899 garLoopResultBuilder]: For program point L102-33(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,395 INFO L899 garLoopResultBuilder]: For program point L102-35(line 102) no Hoare annotation was computed. [2023-11-06 22:12:18,395 INFO L895 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,395 INFO L899 garLoopResultBuilder]: For program point L95-1(line 95) no Hoare annotation was computed. [2023-11-06 22:12:18,396 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,396 INFO L899 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2023-11-06 22:12:18,396 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 50) no Hoare annotation was computed. [2023-11-06 22:12:18,396 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:12:18,396 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,396 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2023-11-06 22:12:18,397 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,397 INFO L899 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2023-11-06 22:12:18,397 INFO L899 garLoopResultBuilder]: For program point L55(lines 55 57) no Hoare annotation was computed. [2023-11-06 22:12:18,397 INFO L899 garLoopResultBuilder]: For program point L55-2(lines 55 57) no Hoare annotation was computed. [2023-11-06 22:12:18,397 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,397 INFO L899 garLoopResultBuilder]: For program point L80-1(line 80) no Hoare annotation was computed. [2023-11-06 22:12:18,398 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,398 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2023-11-06 22:12:18,398 INFO L899 garLoopResultBuilder]: For program point L72-1(line 72) no Hoare annotation was computed. [2023-11-06 22:12:18,398 INFO L899 garLoopResultBuilder]: For program point L97(lines 97 100) no Hoare annotation was computed. [2023-11-06 22:12:18,398 INFO L895 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,398 INFO L899 garLoopResultBuilder]: For program point L89-1(line 89) no Hoare annotation was computed. [2023-11-06 22:12:18,398 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-06 22:12:18,399 INFO L899 garLoopResultBuilder]: For program point L56-2(line 56) no Hoare annotation was computed. [2023-11-06 22:12:18,399 INFO L895 garLoopResultBuilder]: At program point L81(line 81) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,399 INFO L899 garLoopResultBuilder]: For program point L81-1(line 81) no Hoare annotation was computed. [2023-11-06 22:12:18,399 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:12:18,399 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 22:12:18,400 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 101 104) the Hoare annotation is: (let ((.cse3 (+ 8 |~#signed_short_int_Array_0~0.offset|)) (.cse1 (+ |~#unsigned_char_Array_0~0.offset| 2)) (.cse6 (select |#memory_int| |~#signed_short_int_Array_0~0.base|)) (.cse0 (select |#memory_int| 7)) (.cse2 (select |#memory_int| 6))) (and (= (mod (select .cse0 .cse1) 256) (select .cse2 .cse3)) (let ((.cse8 (select .cse6 |~#signed_short_int_Array_0~0.offset|))) (or (and (exists ((v_subst_27 Int) (v_arrayElimArr_19 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int))) (let ((.cse5 (select v_arrayElimArr_19 .cse3)) (.cse7 (select v_arrayElimArr_19 |~#signed_short_int_Array_0~0.offset|)) (.cse4 (select |#memory_int| v_subst_27))) (and (= (mod (select .cse4 .cse1) 256) .cse5) (= v_arrayElimArr_19 (store (store .cse6 .cse3 .cse5) |~#signed_short_int_Array_0~0.offset| .cse7)) (= .cse8 .cse7) (<= v_subst_27 5) (= .cse4 (select (store (store |#memory_int| v_subst_27 v_DerPreprocessor_17) |~#signed_short_int_Array_0~0.base| v_arrayElimArr_19) v_subst_27))))) (= |~#signed_short_int_Array_0~0.offset| .cse1)) (and (exists ((v_subst_25 Int) (v_prenex_24 (Array Int Int)) (v_prenex_23 (Array Int Int))) (let ((.cse10 (select v_prenex_23 .cse3)) (.cse11 (select v_prenex_23 |~#signed_short_int_Array_0~0.offset|)) (.cse9 (select |#memory_int| v_subst_25))) (and (= (mod (select .cse9 .cse1) 256) .cse10) (= .cse8 .cse11) (<= v_subst_25 5) (= (store (store .cse6 .cse3 .cse10) |~#signed_short_int_Array_0~0.offset| .cse11) v_prenex_23) (= .cse9 (select (store (store |#memory_int| v_subst_25 v_prenex_24) |~#signed_short_int_Array_0~0.base| v_prenex_23) v_subst_25))))) (= |~#unsigned_char_Array_0~0.offset| (+ 6 |~#signed_short_int_Array_0~0.offset|))) (exists ((v_subst_26 Int)) (and (exists ((v_prenex_21 (Array Int Int)) (v_prenex_22 (Array Int Int)) (v_y_8 Int)) (let ((.cse12 (select v_prenex_21 |~#signed_short_int_Array_0~0.offset|)) (.cse14 (select v_prenex_21 .cse1)) (.cse13 (* 256 v_y_8)) (.cse15 (select v_prenex_21 .cse3)) (.cse16 (select |#memory_int| v_subst_26))) (and (= .cse12 .cse8) (<= .cse13 .cse14) (= (store (store .cse6 .cse3 .cse15) |~#signed_short_int_Array_0~0.offset| .cse12) v_prenex_21) (= (select (store (store |#memory_int| v_subst_26 v_prenex_22) |~#signed_short_int_Array_0~0.base| v_prenex_21) v_subst_26) .cse16) (<= .cse14 (+ 255 .cse13)) (= .cse15 (mod (select .cse16 .cse1) 256))))) (<= v_subst_26 5))))) (= (select .cse6 (+ |~#signed_short_int_Array_0~0.offset| 10)) 0) (= |ULTIMATE.start_property_#res#1| 1) (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= (+ 4 (select (select |#memory_int| 5) |~#signed_long_int_Array_0~0.offset|)) 0) (= (mod (select .cse0 |~#unsigned_char_Array_0~0.offset|) 256) (select .cse2 |~#signed_short_int_Array_0~0.offset|)) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|))) [2023-11-06 22:12:18,400 INFO L895 garLoopResultBuilder]: At program point L74(line 74) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,400 INFO L899 garLoopResultBuilder]: For program point L74-1(line 74) no Hoare annotation was computed. [2023-11-06 22:12:18,400 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 65) no Hoare annotation was computed. [2023-11-06 22:12:18,401 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 96) no Hoare annotation was computed. [2023-11-06 22:12:18,401 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:12:18,401 INFO L895 garLoopResultBuilder]: At program point L91(line 91) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,401 INFO L899 garLoopResultBuilder]: For program point L91-1(line 91) no Hoare annotation was computed. [2023-11-06 22:12:18,401 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,401 INFO L899 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2023-11-06 22:12:18,402 INFO L895 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,402 INFO L899 garLoopResultBuilder]: For program point L75-1(line 75) no Hoare annotation was computed. [2023-11-06 22:12:18,403 INFO L895 garLoopResultBuilder]: At program point L108-2(lines 108 114) the Hoare annotation is: (let ((.cse23 (select |#memory_int| 7)) (.cse4 (+ |~#unsigned_char_Array_0~0.offset| 2))) (let ((.cse17 (<= |~#BOOL_unsigned_char_Array_0~0.base| 4)) (.cse0 (mod (select .cse23 .cse4) 256)) (.cse19 (mod (select .cse23 |~#unsigned_char_Array_0~0.offset|) 256)) (.cse18 (= |~#signed_short_int_Array_0~0.base| 6)) (.cse20 (= |~#signed_long_int_Array_0~0.base| 5)) (.cse21 (= 7 |~#unsigned_char_Array_0~0.base|)) (.cse22 (<= 8 |~#unsigned_short_int_Array_0~0.base|))) (or (let ((.cse2 (+ 8 |~#signed_short_int_Array_0~0.offset|)) (.cse6 (select |#memory_int| |~#signed_short_int_Array_0~0.base|)) (.cse1 (select |#memory_int| 6))) (and (= .cse0 (select .cse1 .cse2)) (let ((.cse8 (select .cse6 |~#signed_short_int_Array_0~0.offset|))) (or (and (exists ((v_subst_27 Int) (v_arrayElimArr_19 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int))) (let ((.cse5 (select v_arrayElimArr_19 .cse2)) (.cse7 (select v_arrayElimArr_19 |~#signed_short_int_Array_0~0.offset|)) (.cse3 (select |#memory_int| v_subst_27))) (and (= (mod (select .cse3 .cse4) 256) .cse5) (= v_arrayElimArr_19 (store (store .cse6 .cse2 .cse5) |~#signed_short_int_Array_0~0.offset| .cse7)) (= .cse8 .cse7) (<= v_subst_27 5) (= .cse3 (select (store (store |#memory_int| v_subst_27 v_DerPreprocessor_17) |~#signed_short_int_Array_0~0.base| v_arrayElimArr_19) v_subst_27))))) (= |~#signed_short_int_Array_0~0.offset| .cse4)) (and (exists ((v_subst_25 Int) (v_prenex_24 (Array Int Int)) (v_prenex_23 (Array Int Int))) (let ((.cse10 (select v_prenex_23 .cse2)) (.cse11 (select v_prenex_23 |~#signed_short_int_Array_0~0.offset|)) (.cse9 (select |#memory_int| v_subst_25))) (and (= (mod (select .cse9 .cse4) 256) .cse10) (= .cse8 .cse11) (<= v_subst_25 5) (= (store (store .cse6 .cse2 .cse10) |~#signed_short_int_Array_0~0.offset| .cse11) v_prenex_23) (= .cse9 (select (store (store |#memory_int| v_subst_25 v_prenex_24) |~#signed_short_int_Array_0~0.base| v_prenex_23) v_subst_25))))) (= |~#unsigned_char_Array_0~0.offset| (+ 6 |~#signed_short_int_Array_0~0.offset|))) (exists ((v_subst_26 Int)) (and (exists ((v_prenex_21 (Array Int Int)) (v_prenex_22 (Array Int Int)) (v_y_8 Int)) (let ((.cse12 (select v_prenex_21 |~#signed_short_int_Array_0~0.offset|)) (.cse14 (select v_prenex_21 .cse4)) (.cse13 (* 256 v_y_8)) (.cse15 (select v_prenex_21 .cse2)) (.cse16 (select |#memory_int| v_subst_26))) (and (= .cse12 .cse8) (<= .cse13 .cse14) (= (store (store .cse6 .cse2 .cse15) |~#signed_short_int_Array_0~0.offset| .cse12) v_prenex_21) (= (select (store (store |#memory_int| v_subst_26 v_prenex_22) |~#signed_short_int_Array_0~0.base| v_prenex_21) v_subst_26) .cse16) (<= .cse14 (+ 255 .cse13)) (= .cse15 (mod (select .cse16 .cse4) 256))))) (<= v_subst_26 5))))) (= (select .cse6 (+ |~#signed_short_int_Array_0~0.offset| 10)) 0) .cse17 .cse18 (= (+ 4 (select (select |#memory_int| 5) |~#signed_long_int_Array_0~0.offset|)) 0) (= .cse19 (select .cse1 |~#signed_short_int_Array_0~0.offset|)) .cse20 .cse21 .cse22)) (and .cse17 (<= (+ (* (div .cse0 (mod (select .cse23 (+ |~#unsigned_char_Array_0~0.offset| 1)) 256)) (mod 2 (mod (select .cse23 (+ |~#unsigned_char_Array_0~0.offset| 3)) 256))) 1) .cse19) (let ((.cse24 (select |#memory_int| |~#unsigned_short_int_Array_0~0.base|))) (<= (mod (select .cse24 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) 65536) (mod (select .cse24 (+ |~#unsigned_short_int_Array_0~0.offset| 4)) 65536))) .cse18 .cse20 .cse21 (<= (mod (select (select |#memory_int| |~#BOOL_unsigned_char_Array_0~0.base|) |~#BOOL_unsigned_char_Array_0~0.offset|) 256) 0) .cse22)))) [2023-11-06 22:12:18,403 INFO L899 garLoopResultBuilder]: For program point L108-3(lines 108 114) no Hoare annotation was computed. [2023-11-06 22:12:18,403 INFO L895 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,403 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-11-06 22:12:18,403 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 61) no Hoare annotation was computed. [2023-11-06 22:12:18,404 INFO L899 garLoopResultBuilder]: For program point L59-2(lines 59 61) no Hoare annotation was computed. [2023-11-06 22:12:18,404 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,404 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2023-11-06 22:12:18,404 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (and (<= |~#BOOL_unsigned_char_Array_0~0.base| 4) (= |~#signed_short_int_Array_0~0.base| 6) (= |~#signed_long_int_Array_0~0.base| 5) (= 7 |~#unsigned_char_Array_0~0.base|) (<= 8 |~#unsigned_short_int_Array_0~0.base|)) [2023-11-06 22:12:18,404 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2023-11-06 22:12:18,404 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 22:12:18,405 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 22:12:18,405 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 22:12:18,405 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 22:12:18,409 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:18,411 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:12:18,429 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,430 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,431 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,431 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,431 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,432 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,432 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,433 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,434 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,434 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,434 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,435 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,435 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,435 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,435 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,444 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,448 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,449 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,449 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,452 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,452 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,452 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,452 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,456 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,459 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,459 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,459 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,460 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,460 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,461 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,461 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,461 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,464 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,465 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,465 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,465 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,465 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,466 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,466 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,468 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,472 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,472 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 1] could not be translated [2023-11-06 22:12:18,472 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,473 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 3] could not be translated [2023-11-06 22:12:18,473 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,475 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,478 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,483 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,484 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,484 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,484 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,485 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,485 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,493 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,493 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,494 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,494 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,494 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,494 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,495 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,495 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,495 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,495 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,496 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,496 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 1] could not be translated [2023-11-06 22:12:18,496 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,496 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 3] could not be translated [2023-11-06 22:12:18,497 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,497 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,499 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,499 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,500 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,500 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,500 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,500 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,501 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,501 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,501 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,501 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,502 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,502 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,502 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,502 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,502 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,504 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,504 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,505 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,505 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,505 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,505 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,506 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,506 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,506 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,507 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,507 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,507 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,507 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,507 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,508 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:12:18 BoogieIcfgContainer [2023-11-06 22:12:18,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:12:18,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:12:18,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:12:18,510 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:12:18,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:09" (3/4) ... [2023-11-06 22:12:18,513 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:12:18,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:12:18,531 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-06 22:12:18,532 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:12:18,533 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:12:18,534 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:12:18,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1) && (BOOL_unsigned_char_Array_0 <= 4)) && (signed_short_int_Array_0 == 6)) && (signed_long_int_Array_0 == 5)) && (7 == unsigned_char_Array_0)) && (8 <= unsigned_short_int_Array_0)) [2023-11-06 22:12:18,711 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1) && (BOOL_unsigned_char_Array_0 <= 4)) && (signed_short_int_Array_0 == 6)) && (signed_long_int_Array_0 == 5)) && (7 == unsigned_char_Array_0)) && (8 <= unsigned_short_int_Array_0)) [2023-11-06 22:12:18,740 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:12:18,740 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:12:18,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:12:18,747 INFO L158 Benchmark]: Toolchain (without parser) took 130801.64ms. Allocated memory was 146.8MB in the beginning and 436.2MB in the end (delta: 289.4MB). Free memory was 100.4MB in the beginning and 399.8MB in the end (delta: -299.4MB). Peak memory consumption was 249.7MB. Max. memory is 16.1GB. [2023-11-06 22:12:18,748 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 146.8MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:12:18,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.94ms. Allocated memory is still 146.8MB. Free memory was 100.4MB in the beginning and 85.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:12:18,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.42ms. Allocated memory is still 146.8MB. Free memory was 85.1MB in the beginning and 80.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:12:18,750 INFO L158 Benchmark]: Boogie Preprocessor took 143.10ms. Allocated memory is still 146.8MB. Free memory was 80.9MB in the beginning and 77.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:12:18,751 INFO L158 Benchmark]: RCFGBuilder took 979.67ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 77.4MB in the beginning and 178.9MB in the end (delta: -101.5MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-11-06 22:12:18,751 INFO L158 Benchmark]: TraceAbstraction took 128848.85ms. Allocated memory was 209.7MB in the beginning and 436.2MB in the end (delta: 226.5MB). Free memory was 178.9MB in the beginning and 152.1MB in the end (delta: 26.8MB). Peak memory consumption was 267.0MB. Max. memory is 16.1GB. [2023-11-06 22:12:18,752 INFO L158 Benchmark]: Witness Printer took 231.52ms. Allocated memory is still 436.2MB. Free memory was 152.1MB in the beginning and 399.8MB in the end (delta: -247.7MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-11-06 22:12:18,754 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 146.8MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.94ms. Allocated memory is still 146.8MB. Free memory was 100.4MB in the beginning and 85.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.42ms. Allocated memory is still 146.8MB. Free memory was 85.1MB in the beginning and 80.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.10ms. Allocated memory is still 146.8MB. Free memory was 80.9MB in the beginning and 77.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 979.67ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 77.4MB in the beginning and 178.9MB in the end (delta: -101.5MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * TraceAbstraction took 128848.85ms. Allocated memory was 209.7MB in the beginning and 436.2MB in the end (delta: 226.5MB). Free memory was 178.9MB in the beginning and 152.1MB in the end (delta: 26.8MB). Peak memory consumption was 267.0MB. Max. memory is 16.1GB. * Witness Printer took 231.52ms. Allocated memory is still 436.2MB. Free memory was 152.1MB in the beginning and 399.8MB in the end (delta: -247.7MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 128.7s, OverallIterations: 27, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 37.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 33.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 mSolverCounterUnknown, 3747 SdHoareTripleChecker+Valid, 15.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3747 mSDsluCounter, 11115 SdHoareTripleChecker+Invalid, 13.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1151 IncrementalHoareTripleChecker+Unchecked, 8032 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8236 IncrementalHoareTripleChecker+Invalid, 9541 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 3083 mSDtfsCounter, 8236 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5536 GetRequests, 5200 SyntacticMatches, 4 SemanticMatches, 332 ConstructedPredicates, 6 IntricatePredicates, 2 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 33.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=22, InterpolantAutomatonStates: 253, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 27 MinimizatonAttempts, 1060 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 604 PreInvPairs, 648 NumberOfFragments, 1257 HoareAnnotationTreeSize, 604 FomulaSimplifications, 455469 FormulaSimplificationTreeSizeReduction, 28.9s HoareSimplificationTime, 25 FomulaSimplificationsInter, 60952 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 41.8s InterpolantComputationTime, 4475 NumberOfCodeBlocks, 4475 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 5387 ConstructedInterpolants, 47 QuantifiedInterpolants, 37106 SizeOfPredicates, 258 NumberOfNonLiveVariables, 13286 ConjunctsInSsa, 495 ConjunctsInUnsatCore, 33 InterpolantComputations, 26 PerfectInterpolantSequences, 29639/29936 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant [2023-11-06 22:12:18,791 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,793 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,794 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,794 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,794 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,794 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,795 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,795 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,795 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,796 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,796 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,796 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,797 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,797 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,797 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,800 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,804 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,805 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,805 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,805 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,805 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,806 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,806 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,806 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,806 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,807 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,807 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,807 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,807 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,807 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated Derived loop invariant: ((((((\result == 1) && (BOOL_unsigned_char_Array_0 <= 4)) && (signed_short_int_Array_0 == 6)) && (signed_long_int_Array_0 == 5)) && (7 == unsigned_char_Array_0)) && (8 <= unsigned_short_int_Array_0)) - InvariantResult [Line: 108]: Loop Invariant [2023-11-06 22:12:18,809 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,809 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,809 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,810 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,810 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,810 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,810 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,811 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,811 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,811 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,811 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,812 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,812 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,812 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,812 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,813 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,813 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,813 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,813 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 1] could not be translated [2023-11-06 22:12:18,814 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,814 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 3] could not be translated [2023-11-06 22:12:18,814 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,814 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,816 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,816 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,816 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,817 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,817 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,817 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,817 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,818 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,818 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,818 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,818 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,819 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,819 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,819 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,819 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,820 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,820 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,820 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,820 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 1] could not be translated [2023-11-06 22:12:18,821 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,821 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 3] could not be translated [2023-11-06 22:12:18,821 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,821 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated Derived loop invariant: ((((((BOOL_unsigned_char_Array_0 <= 4) && (signed_short_int_Array_0 == 6)) && (signed_long_int_Array_0 == 5)) && (7 == unsigned_char_Array_0)) && (8 <= unsigned_short_int_Array_0)) || (((((((BOOL_unsigned_char_Array_0 <= 4) && ((*(unsigned_short_int_Array_0 + 1) % 65536) <= (*(unsigned_short_int_Array_0 + 2) % 65536))) && (signed_short_int_Array_0 == 6)) && (signed_long_int_Array_0 == 5)) && (7 == unsigned_char_Array_0)) && ((*BOOL_unsigned_char_Array_0 % 256) <= 0)) && (8 <= unsigned_short_int_Array_0))) - InvariantResult [Line: 19]: Loop Invariant [2023-11-06 22:12:18,823 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,823 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,823 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,824 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,824 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,824 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,824 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,825 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,825 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,825 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,825 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,826 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,826 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,826 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,826 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,827 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,828 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset + 2] could not be translated [2023-11-06 22:12:18,828 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,828 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][8 + ~#signed_short_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,828 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_27 : int, v_arrayElimArr_19 : [int]int, v_DerPreprocessor_17 : [int]int :: (((#memory_int[v_subst_27][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset] && v_arrayElimArr_19 == #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]]) && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_arrayElimArr_19[~#signed_short_int_Array_0~0!offset]) && v_subst_27 <= 5) && #memory_int[v_subst_27] == #memory_int[v_subst_27 := v_DerPreprocessor_17][~#signed_short_int_Array_0~0!base := v_arrayElimArr_19][v_subst_27]) could not be translated [2023-11-06 22:12:18,829 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_25 : int, v_prenex_24 : [int]int, v_prenex_23 : [int]int :: (((#memory_int[v_subst_25][~#unsigned_char_Array_0~0!offset + 2] % 256 == v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset] && #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] == v_prenex_23[~#signed_short_int_Array_0~0!offset]) && v_subst_25 <= 5) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_23[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_23[~#signed_short_int_Array_0~0!offset]] == v_prenex_23) && #memory_int[v_subst_25] == #memory_int[v_subst_25 := v_prenex_24][~#signed_short_int_Array_0~0!base := v_prenex_23][v_subst_25]) could not be translated [2023-11-06 22:12:18,829 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_26 : int :: (exists v_prenex_21 : [int]int, v_prenex_22 : [int]int, v_y_8 : int :: ((((v_prenex_21[~#signed_short_int_Array_0~0!offset] == #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset] && 256 * v_y_8 <= v_prenex_21[~#unsigned_char_Array_0~0!offset + 2]) && #memory_int[~#signed_short_int_Array_0~0!base][8 + ~#signed_short_int_Array_0~0!offset := v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset]][~#signed_short_int_Array_0~0!offset := v_prenex_21[~#signed_short_int_Array_0~0!offset]] == v_prenex_21) && #memory_int[v_subst_26 := v_prenex_22][~#signed_short_int_Array_0~0!base := v_prenex_21][v_subst_26] == #memory_int[v_subst_26]) && v_prenex_21[~#unsigned_char_Array_0~0!offset + 2] <= 255 + 256 * v_y_8) && v_prenex_21[8 + ~#signed_short_int_Array_0~0!offset] == #memory_int[v_subst_26][~#unsigned_char_Array_0~0!offset + 2] % 256) && v_subst_26 <= 5) could not be translated [2023-11-06 22:12:18,829 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base] could not be translated [2023-11-06 22:12:18,829 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#signed_short_int_Array_0~0!base][~#signed_short_int_Array_0~0!offset + 10] could not be translated [2023-11-06 22:12:18,830 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5] could not be translated [2023-11-06 22:12:18,830 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[5][~#signed_long_int_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,830 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7] could not be translated [2023-11-06 22:12:18,830 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[7][~#unsigned_char_Array_0~0!offset] could not be translated [2023-11-06 22:12:18,830 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6] could not be translated [2023-11-06 22:12:18,831 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[6][~#signed_short_int_Array_0~0!offset] could not be translated Derived loop invariant: (((((BOOL_unsigned_char_Array_0 <= 4) && (signed_short_int_Array_0 == 6)) && (signed_long_int_Array_0 == 5)) && (7 == unsigned_char_Array_0)) && (8 <= unsigned_short_int_Array_0)) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:12:19,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a981067-1ed3-425f-988b-aa2978c06d1c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE