./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.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_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/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_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/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_3475fe44-5671-4f75-ae31-927c84f9f51c/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 db4292ffbdd6738d463d7123be4385279117f56fc7d42e6eafbd16b6955555da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:41:37,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:41:38,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:41:38,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:41:38,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:41:38,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:41:38,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:41:38,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:41:38,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:41:38,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:41:38,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:41:38,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:41:38,087 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:41:38,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:41:38,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:41:38,089 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:41:38,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:41:38,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:41:38,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:41:38,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:41:38,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:41:38,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:41:38,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:41:38,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:41:38,094 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:41:38,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:41:38,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:41:38,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:41:38,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:38,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:41:38,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:41:38,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:41:38,098 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:41:38,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:41:38,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:41:38,099 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:41:38,099 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:41:38,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:41:38,100 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:41:38,100 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_3475fe44-5671-4f75-ae31-927c84f9f51c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4292ffbdd6738d463d7123be4385279117f56fc7d42e6eafbd16b6955555da [2023-11-06 22:41:38,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:41:38,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:41:38,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:41:38,414 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:41:38,415 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:41:38,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i [2023-11-06 22:41:41,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:41:41,716 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:41:41,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i [2023-11-06 22:41:41,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/data/f0c8a8cea/b78d34a74da14f97ab1003fa437703c8/FLAG67d816e6e [2023-11-06 22:41:41,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/data/f0c8a8cea/b78d34a74da14f97ab1003fa437703c8 [2023-11-06 22:41:41,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:41:41,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:41:41,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:41,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:41:41,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:41:41,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:41" (1/1) ... [2023-11-06 22:41:41,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c128630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:41, skipping insertion in model container [2023-11-06 22:41:41,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:41" (1/1) ... [2023-11-06 22:41:41,803 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:41:41,961 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_3475fe44-5671-4f75-ae31-927c84f9f51c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i[916,929] [2023-11-06 22:41:42,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:42,053 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:41:42,079 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_3475fe44-5671-4f75-ae31-927c84f9f51c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i[916,929] [2023-11-06 22:41:42,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:42,207 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:41:42,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42 WrapperNode [2023-11-06 22:41:42,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:42,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:42,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:41:42,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:41:42,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,291 INFO L138 Inliner]: procedures = 29, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 475 [2023-11-06 22:41:42,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:42,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:41:42,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:41:42,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:41:42,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:41:42,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:41:42,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:41:42,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:41:42,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (1/1) ... [2023-11-06 22:41:42,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:42,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:42,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:42,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:41:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:41:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:41:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 22:41:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 22:41:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:41:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 22:41:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:41:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:41:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:41:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:41:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:41:42,698 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:41:42,700 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:41:43,376 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:41:43,384 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:41:43,384 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:41:43,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:43 BoogieIcfgContainer [2023-11-06 22:41:43,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:41:43,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:41:43,391 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:41:43,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:41:43,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:41:41" (1/3) ... [2023-11-06 22:41:43,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27616538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:43, skipping insertion in model container [2023-11-06 22:41:43,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:42" (2/3) ... [2023-11-06 22:41:43,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27616538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:43, skipping insertion in model container [2023-11-06 22:41:43,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:43" (3/3) ... [2023-11-06 22:41:43,399 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-6.i [2023-11-06 22:41:43,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:41:43,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:41:43,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:41:43,496 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;@3dd7b0ae, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:41:43,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:41:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:41:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-06 22:41:43,526 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:43,527 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:43,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:43,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:43,534 INFO L85 PathProgramCache]: Analyzing trace with hash -748983887, now seen corresponding path program 1 times [2023-11-06 22:41:43,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:43,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222781781] [2023-11-06 22:41:43,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:43,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:43,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:43,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222781781] [2023-11-06 22:41:43,939 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:41:43,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921601692] [2023-11-06 22:41:43,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:43,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:43,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:43,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:43,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:41:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:44,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:41:44,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-06 22:41:44,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:44,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921601692] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:44,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:44,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:41:44,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815248961] [2023-11-06 22:41:44,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:44,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:41:44,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:44,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:41:44,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:41:44,330 INFO L87 Difference]: Start difference. First operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:41:44,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:44,369 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2023-11-06 22:41:44,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:41:44,375 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2023-11-06 22:41:44,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:44,387 INFO L225 Difference]: With dead ends: 237 [2023-11-06 22:41:44,387 INFO L226 Difference]: Without dead ends: 118 [2023-11-06 22:41:44,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 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 22:41:44,400 INFO L413 NwaCegarLoop]: 172 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, 172 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 22:41:44,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:41:44,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-06 22:41:44,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2023-11-06 22:41:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:41:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2023-11-06 22:41:44,457 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2023-11-06 22:41:44,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:44,458 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2023-11-06 22:41:44,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:41:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2023-11-06 22:41:44,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-06 22:41:44,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:44,464 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:44,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:44,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:41:44,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:44,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:44,674 INFO L85 PathProgramCache]: Analyzing trace with hash -249601713, now seen corresponding path program 1 times [2023-11-06 22:41:44,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:44,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783605868] [2023-11-06 22:41:44,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:44,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:44,836 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:44,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288469958] [2023-11-06 22:41:44,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:44,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:44,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:44,839 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:44,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:41:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:45,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:41:45,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:41:45,310 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:45,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:45,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783605868] [2023-11-06 22:41:45,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:45,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288469958] [2023-11-06 22:41:45,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288469958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:45,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:45,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:41:45,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67464552] [2023-11-06 22:41:45,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:45,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:41:45,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:45,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:41:45,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:41:45,323 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:41:45,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:45,437 INFO L93 Difference]: Finished difference Result 256 states and 375 transitions. [2023-11-06 22:41:45,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:41:45,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2023-11-06 22:41:45,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:45,448 INFO L225 Difference]: With dead ends: 256 [2023-11-06 22:41:45,448 INFO L226 Difference]: Without dead ends: 141 [2023-11-06 22:41:45,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 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 22:41:45,452 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 43 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 543 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 22:41:45,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 543 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:41:45,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-06 22:41:45,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 120. [2023-11-06 22:41:45,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:41:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2023-11-06 22:41:45,492 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 158 [2023-11-06 22:41:45,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:45,494 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2023-11-06 22:41:45,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:41:45,494 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2023-11-06 22:41:45,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:41:45,506 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:45,507 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:45,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:45,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:45,715 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:45,715 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:45,716 INFO L85 PathProgramCache]: Analyzing trace with hash -214255510, now seen corresponding path program 1 times [2023-11-06 22:41:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:45,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215728555] [2023-11-06 22:41:45,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:45,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:45,841 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:45,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672406355] [2023-11-06 22:41:45,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:45,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:45,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:45,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:45,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:41:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:41:46,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:46,189 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 22:41:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:41:46,199 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:46,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:46,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215728555] [2023-11-06 22:41:46,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:46,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672406355] [2023-11-06 22:41:46,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672406355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:46,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:46,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:41:46,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099241287] [2023-11-06 22:41:46,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:46,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:41:46,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:46,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:41:46,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:41:46,205 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:41:46,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:46,246 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2023-11-06 22:41:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:41:46,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2023-11-06 22:41:46,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:46,255 INFO L225 Difference]: With dead ends: 237 [2023-11-06 22:41:46,255 INFO L226 Difference]: Without dead ends: 120 [2023-11-06 22:41:46,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 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 22:41:46,268 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 2 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:46,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 334 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:41:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-06 22:41:46,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-11-06 22:41:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:41:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2023-11-06 22:41:46,303 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 160 [2023-11-06 22:41:46,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:46,304 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2023-11-06 22:41:46,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:41:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2023-11-06 22:41:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:41:46,307 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:46,307 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:46,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:46,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:46,516 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:46,516 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:46,516 INFO L85 PathProgramCache]: Analyzing trace with hash 208446316, now seen corresponding path program 1 times [2023-11-06 22:41:46,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:46,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108538379] [2023-11-06 22:41:46,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:46,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:46,604 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:46,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [699662567] [2023-11-06 22:41:46,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:46,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:46,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:46,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:46,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:41:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:46,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:41:46,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:46,896 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 22:41:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:41:46,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:46,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:46,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108538379] [2023-11-06 22:41:46,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:46,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699662567] [2023-11-06 22:41:46,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699662567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:46,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:46,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:41:46,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513060724] [2023-11-06 22:41:46,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:46,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:41:46,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:46,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:41:46,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:41:46,907 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:41:46,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:46,921 INFO L93 Difference]: Finished difference Result 237 states and 343 transitions. [2023-11-06 22:41:46,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:41:46,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2023-11-06 22:41:46,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:46,924 INFO L225 Difference]: With dead ends: 237 [2023-11-06 22:41:46,924 INFO L226 Difference]: Without dead ends: 120 [2023-11-06 22:41:46,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 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 22:41:46,926 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 40 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 296 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 22:41:46,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 296 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:41:46,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-06 22:41:46,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-11-06 22:41:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:41:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2023-11-06 22:41:46,938 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 160 [2023-11-06 22:41:46,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:46,939 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2023-11-06 22:41:46,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:41:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2023-11-06 22:41:46,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:41:46,942 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:46,943 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:46,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:47,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:47,150 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:47,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:47,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1379901586, now seen corresponding path program 1 times [2023-11-06 22:41:47,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:47,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460230210] [2023-11-06 22:41:47,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:47,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:47,234 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:47,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1457719527] [2023-11-06 22:41:47,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:47,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:47,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:47,237 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:47,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:41:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:47,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-06 22:41:47,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:47,839 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 25 treesize of output 13 [2023-11-06 22:41:48,624 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 25 treesize of output 13 [2023-11-06 22:41:49,135 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 25 treesize of output 13 [2023-11-06 22:41:49,575 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 25 treesize of output 13 [2023-11-06 22:41:49,922 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 25 treesize of output 13 [2023-11-06 22:41:50,243 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 25 treesize of output 13 [2023-11-06 22:41:50,571 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 25 treesize of output 13 [2023-11-06 22:41:50,871 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 25 treesize of output 13 [2023-11-06 22:41:51,220 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 25 treesize of output 13 [2023-11-06 22:41:51,584 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 25 treesize of output 13 [2023-11-06 22:41:51,967 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 25 treesize of output 13 [2023-11-06 22:41:52,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:41:52,280 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 25 treesize of output 13 [2023-11-06 22:41:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:41:52,416 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 25 treesize of output 13 [2023-11-06 22:41:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:41:52,928 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:41:52,928 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 113 treesize of output 73 [2023-11-06 22:41:53,042 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-06 22:41:53,042 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:41:56,556 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_int| c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (let ((.cse7 (< 0 (+ |c_ULTIMATE.start_step_#t~ite34#1| 1))) (.cse0 (< |c_ULTIMATE.start_step_#t~ite34#1| 0)) (.cse8 (< 0 (+ .cse1 1))) (.cse3 (+ (mod (select (select |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) 1)) (.cse4 (mod |c_ULTIMATE.start_step_~stepLocal_1~0#1| 4294967296)) (.cse5 (select |c_#memory_int| c_~WrapperStruct00_var_1_4_Pointer~0.base))) (and (or .cse0 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse2 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse1 .cse2) 0)) (< (mod (div .cse1 .cse2) 4294967296) .cse3) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse2) 4294967296)))))) (or (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse6 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse1 .cse6) 0)) (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse6) 0) (< (mod (div .cse1 .cse6) 4294967296) .cse3) (< .cse4 (mod (+ (div |c_ULTIMATE.start_step_#t~ite34#1| .cse6) 1) 4294967296))))) .cse7) (or .cse8 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse9 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse10 (div |c_ULTIMATE.start_step_#t~ite34#1| .cse9))) (or (= (mod .cse1 .cse9) 0) (< (mod (+ (div .cse1 .cse9) 1) 4294967296) .cse3) (< .cse4 (mod (+ .cse10 1) 4294967296)) (< .cse4 (mod .cse10 4294967296))))))) (or .cse8 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse11 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (= (mod .cse1 .cse11) 0) (< (mod (+ (div .cse1 .cse11) 1) 4294967296) .cse3) (not (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse11) 0)) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse11) 4294967296)))))) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse12 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse1 .cse12) 0)) (< (mod (div .cse1 .cse12) 4294967296) .cse3) (not (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse12) 0)) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse12) 4294967296))))) (or (and (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse14 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse13 (div .cse1 .cse14))) (or (< (mod (+ .cse13 1) 4294967296) .cse3) (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse14) 0) (< (mod .cse13 4294967296) .cse3) (< .cse4 (mod (+ (div |c_ULTIMATE.start_step_#t~ite34#1| .cse14) 1) 4294967296)))))) (or .cse8 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse15 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (= (mod .cse1 .cse15) 0) (< (mod (+ (div .cse1 .cse15) 1) 4294967296) .cse3) (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse15) 0) (< .cse4 (mod (+ (div |c_ULTIMATE.start_step_#t~ite34#1| .cse15) 1) 4294967296))))))) .cse7) (or (and (or (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse16 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (div .cse1 .cse16) 4294967296) .cse3) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse16) 4294967296))))) .cse0) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse17 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse18 (div |c_ULTIMATE.start_step_#t~ite34#1| .cse17))) (or (< (mod (div .cse1 .cse17) 4294967296) .cse3) (< .cse4 (mod (+ .cse18 1) 4294967296)) (< .cse4 (mod .cse18 4294967296)))))) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse19 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (div .cse1 .cse19) 4294967296) .cse3) (not (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse19) 0)) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse19) 4294967296))))) (or (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse20 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse20) 0) (< (mod (div .cse1 .cse20) 4294967296) .cse3) (< .cse4 (mod (+ (div |c_ULTIMATE.start_step_#t~ite34#1| .cse20) 1) 4294967296))))) .cse7)) (< .cse1 0)) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse23 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse21 (div .cse1 .cse23)) (.cse22 (div |c_ULTIMATE.start_step_#t~ite34#1| .cse23))) (or (< (mod (+ .cse21 1) 4294967296) .cse3) (< (mod .cse21 4294967296) .cse3) (< .cse4 (mod (+ .cse22 1) 4294967296)) (< .cse4 (mod .cse22 4294967296)))))) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse24 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse25 (div |c_ULTIMATE.start_step_#t~ite34#1| .cse24))) (or (not (= (mod .cse1 .cse24) 0)) (< (mod (div .cse1 .cse24) 4294967296) .cse3) (< .cse4 (mod (+ .cse25 1) 4294967296)) (< .cse4 (mod .cse25 4294967296)))))) (or .cse0 (and (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse27 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse26 (div .cse1 .cse27))) (or (< (mod (+ .cse26 1) 4294967296) .cse3) (< (mod .cse26 4294967296) .cse3) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse27) 4294967296)))))) (or .cse8 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse28 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (= (mod .cse1 .cse28) 0) (< (mod (+ (div .cse1 .cse28) 1) 4294967296) .cse3) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse28) 4294967296)))))))) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse30 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse29 (div .cse1 .cse30))) (or (< (mod (+ .cse29 1) 4294967296) .cse3) (< (mod .cse29 4294967296) .cse3) (not (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse30) 0)) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse30) 4294967296))))))))) is different from true [2023-11-06 22:41:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:41:59,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:59,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460230210] [2023-11-06 22:41:59,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:59,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457719527] [2023-11-06 22:41:59,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457719527] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:41:59,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:41:59,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 17 [2023-11-06 22:41:59,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498205856] [2023-11-06 22:41:59,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:59,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:41:59,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:59,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:41:59,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=192, Unknown=2, NotChecked=28, Total=272 [2023-11-06 22:41:59,523 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:42:01,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:03,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:06,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:11,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:13,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:15,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:18,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:20,190 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse4 (mod |c_ULTIMATE.start_step_~stepLocal_1~0#1| 4294967296)) (.cse3 (+ (mod (select (select |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) 1)) (.cse1 (select (select |c_#memory_int| c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse5 (select |c_#memory_int| c_~WrapperStruct00_var_1_4_Pointer~0.base))) (let ((.cse11 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse51 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse52 (mod (+ (div .cse1 .cse51) 1) 4294967296))) (or (= (mod .cse1 .cse51) 0) (< .cse4 .cse52) (< .cse52 .cse3)))))) (.cse7 (< 0 (+ |c_ULTIMATE.start_step_#t~ite34#1| 1))) (.cse17 (< .cse1 0)) (.cse0 (< |c_ULTIMATE.start_step_#t~ite34#1| 0)) (.cse8 (< 0 (+ .cse1 1)))) (and (or .cse0 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse2 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse1 .cse2) 0)) (< (mod (div .cse1 .cse2) 4294967296) .cse3) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse2) 4294967296)))))) (or (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse6 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse1 .cse6) 0)) (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse6) 0) (< (mod (div .cse1 .cse6) 4294967296) .cse3) (< .cse4 (mod (+ (div |c_ULTIMATE.start_step_#t~ite34#1| .cse6) 1) 4294967296))))) .cse7) (or .cse8 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse9 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse10 (div |c_ULTIMATE.start_step_#t~ite34#1| .cse9))) (or (= (mod .cse1 .cse9) 0) (< (mod (+ (div .cse1 .cse9) 1) 4294967296) .cse3) (< .cse4 (mod (+ .cse10 1) 4294967296)) (< .cse4 (mod .cse10 4294967296))))))) (or .cse11 .cse8) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse12 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse14 (div .cse1 .cse12))) (let ((.cse13 (mod .cse14 4294967296))) (or (not (= (mod .cse1 .cse12) 0)) (< .cse4 .cse13) (< (mod (+ .cse14 1) 4294967296) .cse3) (< .cse13 .cse3)))))) (or (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse16 (div .cse1 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (let ((.cse15 (mod .cse16 4294967296))) (or (< .cse4 .cse15) (< (mod (+ .cse16 1) 4294967296) .cse3) (< .cse15 .cse3))))) .cse17) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse19 (div .cse1 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (let ((.cse18 (mod (+ .cse19 1) 4294967296))) (or (< .cse4 .cse18) (< .cse18 .cse3) (< (mod .cse19 4294967296) .cse3))))) (or (and (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse20 (div .cse1 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (let ((.cse21 (mod .cse20 4294967296))) (or (< .cse4 (mod (+ .cse20 1) 4294967296)) (< .cse4 .cse21) (< .cse21 .cse3))))) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse22 (mod (div .cse1 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296))) (or (< .cse4 .cse22) (< .cse22 .cse3))))) .cse17) (or .cse8 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse23 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (= (mod .cse1 .cse23) 0) (< (mod (+ (div .cse1 .cse23) 1) 4294967296) .cse3) (not (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse23) 0)) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse23) 4294967296)))))) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse24 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse25 (mod (div .cse1 .cse24) 4294967296))) (or (not (= (mod .cse1 .cse24) 0)) (< .cse4 .cse25) (< .cse25 .cse3))))) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse26 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse1 .cse26) 0)) (< (mod (div .cse1 .cse26) 4294967296) .cse3) (not (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse26) 0)) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse26) 4294967296))))) (or .cse8 (and .cse11 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse27 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse29 (div .cse1 .cse27))) (let ((.cse28 (mod (+ .cse29 1) 4294967296))) (or (= (mod .cse1 .cse27) 0) (< .cse4 .cse28) (< .cse28 .cse3) (< (mod .cse29 4294967296) .cse3)))))))) (or (and (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse31 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse30 (div .cse1 .cse31))) (or (< (mod (+ .cse30 1) 4294967296) .cse3) (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse31) 0) (< (mod .cse30 4294967296) .cse3) (< .cse4 (mod (+ (div |c_ULTIMATE.start_step_#t~ite34#1| .cse31) 1) 4294967296)))))) (or .cse8 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse32 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (= (mod .cse1 .cse32) 0) (< (mod (+ (div .cse1 .cse32) 1) 4294967296) .cse3) (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse32) 0) (< .cse4 (mod (+ (div |c_ULTIMATE.start_step_#t~ite34#1| .cse32) 1) 4294967296))))))) .cse7) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse33 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse34 (div .cse1 .cse33))) (let ((.cse35 (mod .cse34 4294967296))) (or (not (= (mod .cse1 .cse33) 0)) (< .cse4 (mod (+ .cse34 1) 4294967296)) (< .cse4 .cse35) (< .cse35 .cse3)))))) (or (and (or (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse36 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (div .cse1 .cse36) 4294967296) .cse3) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse36) 4294967296))))) .cse0) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse37 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse38 (div |c_ULTIMATE.start_step_#t~ite34#1| .cse37))) (or (< (mod (div .cse1 .cse37) 4294967296) .cse3) (< .cse4 (mod (+ .cse38 1) 4294967296)) (< .cse4 (mod .cse38 4294967296)))))) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse39 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (div .cse1 .cse39) 4294967296) .cse3) (not (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse39) 0)) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse39) 4294967296))))) (or (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse40 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse40) 0) (< (mod (div .cse1 .cse40) 4294967296) .cse3) (< .cse4 (mod (+ (div |c_ULTIMATE.start_step_#t~ite34#1| .cse40) 1) 4294967296))))) .cse7)) .cse17) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse43 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse41 (div .cse1 .cse43)) (.cse42 (div |c_ULTIMATE.start_step_#t~ite34#1| .cse43))) (or (< (mod (+ .cse41 1) 4294967296) .cse3) (< (mod .cse41 4294967296) .cse3) (< .cse4 (mod (+ .cse42 1) 4294967296)) (< .cse4 (mod .cse42 4294967296)))))) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse44 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse45 (div |c_ULTIMATE.start_step_#t~ite34#1| .cse44))) (or (not (= (mod .cse1 .cse44) 0)) (< (mod (div .cse1 .cse44) 4294967296) .cse3) (< .cse4 (mod (+ .cse45 1) 4294967296)) (< .cse4 (mod .cse45 4294967296)))))) (or .cse0 (and (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse47 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse46 (div .cse1 .cse47))) (or (< (mod (+ .cse46 1) 4294967296) .cse3) (< (mod .cse46 4294967296) .cse3) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse47) 4294967296)))))) (or .cse8 (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse48 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (= (mod .cse1 .cse48) 0) (< (mod (+ (div .cse1 .cse48) 1) 4294967296) .cse3) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse48) 4294967296)))))))) (forall ((~WrapperStruct00_var_1_4_Pointer~0.offset Int)) (let ((.cse50 (mod (select .cse5 ~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (let ((.cse49 (div .cse1 .cse50))) (or (< (mod (+ .cse49 1) 4294967296) .cse3) (< (mod .cse49 4294967296) .cse3) (not (= (mod |c_ULTIMATE.start_step_#t~ite34#1| .cse50) 0)) (< .cse4 (mod (div |c_ULTIMATE.start_step_#t~ite34#1| .cse50) 4294967296))))))))) is different from true [2023-11-06 22:42:24,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:30,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:32,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:34,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:38,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:40,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:42,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:45,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:47,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-11-06 22:42:47,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:47,727 INFO L93 Difference]: Finished difference Result 292 states and 417 transitions. [2023-11-06 22:42:47,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:42:47,729 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2023-11-06 22:42:47,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:47,731 INFO L225 Difference]: With dead ends: 292 [2023-11-06 22:42:47,731 INFO L226 Difference]: Without dead ends: 175 [2023-11-06 22:42:47,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=64, Invalid=247, Unknown=3, NotChecked=66, Total=380 [2023-11-06 22:42:47,733 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 142 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 1 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 251 IncrementalHoareTripleChecker+Unchecked, 43.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:47,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 796 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 291 Invalid, 13 Unknown, 251 Unchecked, 43.4s Time] [2023-11-06 22:42:47,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-06 22:42:47,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 124. [2023-11-06 22:42:47,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 103 states have internal predecessors, (138), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:42:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 176 transitions. [2023-11-06 22:42:47,746 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 176 transitions. Word has length 160 [2023-11-06 22:42:47,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:47,747 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 176 transitions. [2023-11-06 22:42:47,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:42:47,747 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 176 transitions. [2023-11-06 22:42:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:42:47,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:47,750 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:47,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-06 22:42:47,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:47,957 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:47,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:47,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1264983739, now seen corresponding path program 1 times [2023-11-06 22:42:47,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:47,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35960741] [2023-11-06 22:42:47,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:47,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:48,049 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:48,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636702781] [2023-11-06 22:42:48,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:48,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:48,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:48,052 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:48,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:42:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:48,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-06 22:42:48,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:50,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:42:50,249 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 15 treesize of output 15 [2023-11-06 22:42:50,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:42:50,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:42:50,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:42:50,388 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 27 treesize of output 18 [2023-11-06 22:42:50,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:42:50,620 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 28 [2023-11-06 22:42:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:42:50,656 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:50,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:50,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35960741] [2023-11-06 22:42:50,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:50,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636702781] [2023-11-06 22:42:50,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636702781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:50,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:50,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:42:50,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195114770] [2023-11-06 22:42:50,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:50,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:42:50,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:50,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:42:50,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:42:50,660 INFO L87 Difference]: Start difference. First operand 124 states and 176 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:42:51,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:51,457 INFO L93 Difference]: Finished difference Result 311 states and 440 transitions. [2023-11-06 22:42:51,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:42:51,461 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2023-11-06 22:42:51,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:51,463 INFO L225 Difference]: With dead ends: 311 [2023-11-06 22:42:51,463 INFO L226 Difference]: Without dead ends: 190 [2023-11-06 22:42:51,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:42:51,465 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 297 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:51,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 758 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:42:51,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-06 22:42:51,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 143. [2023-11-06 22:42:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 122 states have internal predecessors, (162), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:42:51,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 200 transitions. [2023-11-06 22:42:51,491 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 200 transitions. Word has length 160 [2023-11-06 22:42:51,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:51,492 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 200 transitions. [2023-11-06 22:42:51,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:42:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 200 transitions. [2023-11-06 22:42:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:42:51,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:51,498 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:51,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-06 22:42:51,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:42:51,705 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:51,706 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:51,706 INFO L85 PathProgramCache]: Analyzing trace with hash -2020807641, now seen corresponding path program 1 times [2023-11-06 22:42:51,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:51,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776987374] [2023-11-06 22:42:51,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:51,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:51,757 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:51,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [180960155] [2023-11-06 22:42:51,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:51,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:51,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:51,758 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:51,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:42:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:52,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-06 22:42:52,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:52,298 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 32 treesize of output 23 [2023-11-06 22:42:52,965 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 32 treesize of output 23 [2023-11-06 22:42:53,416 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 32 treesize of output 23 [2023-11-06 22:42:53,856 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 32 treesize of output 23 [2023-11-06 22:42:54,221 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 32 treesize of output 23 [2023-11-06 22:42:54,531 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 32 treesize of output 23 [2023-11-06 22:42:54,876 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 32 treesize of output 23 [2023-11-06 22:42:55,239 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 32 treesize of output 23 [2023-11-06 22:42:55,663 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 32 treesize of output 23 [2023-11-06 22:42:56,198 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 32 treesize of output 23 [2023-11-06 22:42:56,648 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 32 treesize of output 23 [2023-11-06 22:42:57,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:42:57,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:42:57,071 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 32 treesize of output 23 [2023-11-06 22:42:57,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:42:57,285 INFO L322 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-06 22:42:57,286 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 1 case distinctions, treesize of input 28 treesize of output 30 [2023-11-06 22:42:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-06 22:42:57,420 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:42:57,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:57,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776987374] [2023-11-06 22:42:57,679 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:57,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180960155] [2023-11-06 22:42:57,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180960155] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:42:57,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:42:57,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-06 22:42:57,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355870879] [2023-11-06 22:42:57,681 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:42:57,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:42:57,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:57,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:42:57,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:42:57,683 INFO L87 Difference]: Start difference. First operand 143 states and 200 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:42:58,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:58,817 INFO L93 Difference]: Finished difference Result 417 states and 585 transitions. [2023-11-06 22:42:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:42:58,817 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2023-11-06 22:42:58,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:58,822 INFO L225 Difference]: With dead ends: 417 [2023-11-06 22:42:58,823 INFO L226 Difference]: Without dead ends: 277 [2023-11-06 22:42:58,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:42:58,830 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 256 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:58,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 701 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:42:58,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2023-11-06 22:42:58,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 269. [2023-11-06 22:42:58,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 228 states have (on average 1.3245614035087718) internal successors, (302), 228 states have internal predecessors, (302), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:42:58,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 378 transitions. [2023-11-06 22:42:58,878 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 378 transitions. Word has length 161 [2023-11-06 22:42:58,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:58,878 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 378 transitions. [2023-11-06 22:42:58,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:42:58,879 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 378 transitions. [2023-11-06 22:42:58,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:42:58,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:58,882 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:58,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:59,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:42:59,090 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:59,090 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:59,090 INFO L85 PathProgramCache]: Analyzing trace with hash 585215913, now seen corresponding path program 1 times [2023-11-06 22:42:59,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:59,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207194963] [2023-11-06 22:42:59,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:59,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:59,149 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:59,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1095135760] [2023-11-06 22:42:59,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:59,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:59,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:59,151 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:59,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:42:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:59,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:42:59,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:01,393 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 15 treesize of output 1 [2023-11-06 22:43:01,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:01,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:01,522 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:43:01,523 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 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-06 22:43:01,584 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-06 22:43:01,584 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 31 treesize of output 19 [2023-11-06 22:43:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:01,601 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:01,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:01,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207194963] [2023-11-06 22:43:01,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:01,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095135760] [2023-11-06 22:43:01,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095135760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:01,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:01,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:43:01,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717051130] [2023-11-06 22:43:01,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:01,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:43:01,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:01,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:43:01,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:43:01,604 INFO L87 Difference]: Start difference. First operand 269 states and 378 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:02,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:02,246 INFO L93 Difference]: Finished difference Result 494 states and 694 transitions. [2023-11-06 22:43:02,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:43:02,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2023-11-06 22:43:02,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:02,250 INFO L225 Difference]: With dead ends: 494 [2023-11-06 22:43:02,251 INFO L226 Difference]: Without dead ends: 354 [2023-11-06 22:43:02,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:43:02,252 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 266 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:02,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 509 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:43:02,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-11-06 22:43:02,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 274. [2023-11-06 22:43:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 233 states have (on average 1.3218884120171674) internal successors, (308), 233 states have internal predecessors, (308), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:43:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 384 transitions. [2023-11-06 22:43:02,288 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 384 transitions. Word has length 161 [2023-11-06 22:43:02,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:02,289 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 384 transitions. [2023-11-06 22:43:02,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 384 transitions. [2023-11-06 22:43:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:43:02,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:02,291 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:02,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:02,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:02,499 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:02,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:02,500 INFO L85 PathProgramCache]: Analyzing trace with hash -425901337, now seen corresponding path program 1 times [2023-11-06 22:43:02,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:02,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841117838] [2023-11-06 22:43:02,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:02,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:02,557 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:02,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1409196269] [2023-11-06 22:43:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:02,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:02,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,559 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:02,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:43:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:02,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:43:02,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:02,908 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 11 treesize of output 7 [2023-11-06 22:43:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-06 22:43:02,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:03,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:03,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841117838] [2023-11-06 22:43:03,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:03,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409196269] [2023-11-06 22:43:03,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409196269] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:43:03,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:43:03,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-11-06 22:43:03,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160317621] [2023-11-06 22:43:03,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:03,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:43:03,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:03,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:43:03,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:43:03,099 INFO L87 Difference]: Start difference. First operand 274 states and 384 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:03,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:03,491 INFO L93 Difference]: Finished difference Result 494 states and 693 transitions. [2023-11-06 22:43:03,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:43:03,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2023-11-06 22:43:03,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:03,498 INFO L225 Difference]: With dead ends: 494 [2023-11-06 22:43:03,498 INFO L226 Difference]: Without dead ends: 349 [2023-11-06 22:43:03,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:43:03,500 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 134 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:03,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 804 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:43:03,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2023-11-06 22:43:03,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 275. [2023-11-06 22:43:03,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 234 states have (on average 1.3205128205128205) internal successors, (309), 234 states have internal predecessors, (309), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:43:03,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 385 transitions. [2023-11-06 22:43:03,534 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 385 transitions. Word has length 161 [2023-11-06 22:43:03,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:03,534 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 385 transitions. [2023-11-06 22:43:03,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:03,535 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 385 transitions. [2023-11-06 22:43:03,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:43:03,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:03,537 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:03,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-06 22:43:03,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:03,745 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:03,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:03,745 INFO L85 PathProgramCache]: Analyzing trace with hash 700133760, now seen corresponding path program 1 times [2023-11-06 22:43:03,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:03,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776915593] [2023-11-06 22:43:03,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:03,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:03,798 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:03,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512378668] [2023-11-06 22:43:03,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:03,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:03,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:03,800 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:03,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:43:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:04,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-06 22:43:04,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:06,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:06,968 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 15 treesize of output 15 [2023-11-06 22:43:07,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:07,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:07,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:07,153 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 27 treesize of output 18 [2023-11-06 22:43:07,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:07,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:07,259 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 27 treesize of output 18 [2023-11-06 22:43:07,417 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:43:07,417 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 22:43:07,461 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:07,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:07,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:07,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776915593] [2023-11-06 22:43:07,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:07,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512378668] [2023-11-06 22:43:07,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512378668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:07,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:07,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:43:07,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883229105] [2023-11-06 22:43:07,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:07,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:43:07,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:07,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:43:07,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:43:07,466 INFO L87 Difference]: Start difference. First operand 275 states and 385 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:08,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:08,582 INFO L93 Difference]: Finished difference Result 570 states and 798 transitions. [2023-11-06 22:43:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:43:08,583 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2023-11-06 22:43:08,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:08,587 INFO L225 Difference]: With dead ends: 570 [2023-11-06 22:43:08,587 INFO L226 Difference]: Without dead ends: 424 [2023-11-06 22:43:08,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:43:08,589 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 532 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:08,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 756 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:43:08,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-11-06 22:43:08,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 291. [2023-11-06 22:43:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 250 states have (on average 1.32) internal successors, (330), 250 states have internal predecessors, (330), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:43:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 406 transitions. [2023-11-06 22:43:08,631 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 406 transitions. Word has length 161 [2023-11-06 22:43:08,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:08,632 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 406 transitions. [2023-11-06 22:43:08,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 406 transitions. [2023-11-06 22:43:08,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:43:08,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:08,635 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:08,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:08,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:43:08,848 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:08,848 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:08,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2140146149, now seen corresponding path program 1 times [2023-11-06 22:43:08,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:08,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009372933] [2023-11-06 22:43:08,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:08,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:08,916 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:08,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215213606] [2023-11-06 22:43:08,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:08,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:08,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:08,923 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:08,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:43:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:09,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:43:09,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:09,301 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 11 treesize of output 7 [2023-11-06 22:43:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-06 22:43:09,354 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:09,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:09,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009372933] [2023-11-06 22:43:09,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:09,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215213606] [2023-11-06 22:43:09,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215213606] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:43:09,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:43:09,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-11-06 22:43:09,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634344056] [2023-11-06 22:43:09,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:09,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:43:09,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:09,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:43:09,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:43:09,491 INFO L87 Difference]: Start difference. First operand 291 states and 406 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:09,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:09,949 INFO L93 Difference]: Finished difference Result 573 states and 797 transitions. [2023-11-06 22:43:09,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:43:09,950 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2023-11-06 22:43:09,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:09,954 INFO L225 Difference]: With dead ends: 573 [2023-11-06 22:43:09,954 INFO L226 Difference]: Without dead ends: 412 [2023-11-06 22:43:09,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:43:09,957 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 129 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:09,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 888 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:43:09,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-06 22:43:10,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 291. [2023-11-06 22:43:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 250 states have (on average 1.32) internal successors, (330), 250 states have internal predecessors, (330), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:43:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 406 transitions. [2023-11-06 22:43:10,016 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 406 transitions. Word has length 161 [2023-11-06 22:43:10,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:10,017 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 406 transitions. [2023-11-06 22:43:10,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:10,017 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 406 transitions. [2023-11-06 22:43:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:43:10,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:10,020 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:10,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:10,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:43:10,240 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:10,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:10,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1129028899, now seen corresponding path program 1 times [2023-11-06 22:43:10,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:10,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998962929] [2023-11-06 22:43:10,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:10,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:10,294 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:10,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445471659] [2023-11-06 22:43:10,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:10,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:10,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:10,296 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:10,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:43:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:10,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:43:10,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:12,356 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 15 treesize of output 1 [2023-11-06 22:43:12,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,477 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:43:12,478 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 1 case distinctions, treesize of input 27 treesize of output 29 [2023-11-06 22:43:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:12,608 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:43:12,608 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 25 [2023-11-06 22:43:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:12,634 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:12,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:12,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998962929] [2023-11-06 22:43:12,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:12,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445471659] [2023-11-06 22:43:12,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445471659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:12,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:12,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:43:12,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375094876] [2023-11-06 22:43:12,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:12,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:43:12,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:12,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:43:12,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:43:12,638 INFO L87 Difference]: Start difference. First operand 291 states and 406 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:13,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:13,417 INFO L93 Difference]: Finished difference Result 513 states and 711 transitions. [2023-11-06 22:43:13,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:43:13,418 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2023-11-06 22:43:13,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:13,421 INFO L225 Difference]: With dead ends: 513 [2023-11-06 22:43:13,421 INFO L226 Difference]: Without dead ends: 352 [2023-11-06 22:43:13,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:43:13,423 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 156 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:13,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 696 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:43:13,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2023-11-06 22:43:13,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 285. [2023-11-06 22:43:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 244 states have (on average 1.3114754098360655) internal successors, (320), 244 states have internal predecessors, (320), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:43:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 396 transitions. [2023-11-06 22:43:13,462 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 396 transitions. Word has length 161 [2023-11-06 22:43:13,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:13,463 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 396 transitions. [2023-11-06 22:43:13,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 396 transitions. [2023-11-06 22:43:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:43:13,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:13,465 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:13,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-06 22:43:13,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:43:13,673 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:13,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:13,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1422802598, now seen corresponding path program 1 times [2023-11-06 22:43:13,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:13,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331554341] [2023-11-06 22:43:13,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:13,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:13,722 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:13,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639870941] [2023-11-06 22:43:13,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:13,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:13,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:13,724 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:13,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:43:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:14,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 22:43:14,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:14,178 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 9 treesize of output 3 [2023-11-06 22:43:16,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:16,302 INFO L322 Elim1Store]: treesize reduction 64, result has 40.2 percent of original size [2023-11-06 22:43:16,302 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 5 case distinctions, treesize of input 41 treesize of output 72 [2023-11-06 22:43:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:16,594 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 31 treesize of output 19 [2023-11-06 22:43:16,719 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 23 treesize of output 15 [2023-11-06 22:43:16,748 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:16,748 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:16,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:16,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331554341] [2023-11-06 22:43:16,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:16,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639870941] [2023-11-06 22:43:16,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639870941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:16,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:16,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:43:16,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881695640] [2023-11-06 22:43:16,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:16,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:43:16,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:16,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:43:16,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:43:16,751 INFO L87 Difference]: Start difference. First operand 285 states and 396 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:18,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:18,358 INFO L93 Difference]: Finished difference Result 887 states and 1228 transitions. [2023-11-06 22:43:18,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:43:18,359 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2023-11-06 22:43:18,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:18,363 INFO L225 Difference]: With dead ends: 887 [2023-11-06 22:43:18,364 INFO L226 Difference]: Without dead ends: 605 [2023-11-06 22:43:18,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:43:18,366 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 336 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:18,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 704 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:43:18,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2023-11-06 22:43:18,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 379. [2023-11-06 22:43:18,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 318 states have (on average 1.29874213836478) internal successors, (413), 318 states have internal predecessors, (413), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-06 22:43:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 527 transitions. [2023-11-06 22:43:18,435 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 527 transitions. Word has length 161 [2023-11-06 22:43:18,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:18,436 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 527 transitions. [2023-11-06 22:43:18,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:18,437 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 527 transitions. [2023-11-06 22:43:18,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:43:18,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:18,439 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:18,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-06 22:43:18,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 22:43:18,659 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:18,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:18,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1520528928, now seen corresponding path program 1 times [2023-11-06 22:43:18,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:18,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248442877] [2023-11-06 22:43:18,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:18,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:18,704 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:18,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [892236015] [2023-11-06 22:43:18,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:18,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:18,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:18,706 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:18,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:43:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:19,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-06 22:43:19,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:21,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,594 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 15 treesize of output 15 [2023-11-06 22:43:21,740 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 46 treesize of output 30 [2023-11-06 22:43:21,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,755 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 58 [2023-11-06 22:43:21,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,802 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 21 treesize of output 28 [2023-11-06 22:43:21,990 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 71 treesize of output 56 [2023-11-06 22:43:21,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:21,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:22,047 INFO L322 Elim1Store]: treesize reduction 64, result has 32.6 percent of original size [2023-11-06 22:43:22,048 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 89 treesize of output 105 [2023-11-06 22:43:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:22,394 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 28 [2023-11-06 22:43:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:22,436 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:22,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:22,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248442877] [2023-11-06 22:43:22,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:22,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892236015] [2023-11-06 22:43:22,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892236015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:22,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:22,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:43:22,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8652680] [2023-11-06 22:43:22,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:22,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:43:22,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:22,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:43:22,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:43:22,439 INFO L87 Difference]: Start difference. First operand 379 states and 527 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:23,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:23,460 INFO L93 Difference]: Finished difference Result 643 states and 891 transitions. [2023-11-06 22:43:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:43:23,460 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2023-11-06 22:43:23,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:23,464 INFO L225 Difference]: With dead ends: 643 [2023-11-06 22:43:23,464 INFO L226 Difference]: Without dead ends: 488 [2023-11-06 22:43:23,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:43:23,466 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 309 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:23,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 779 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 537 Invalid, 1 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:43:23,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2023-11-06 22:43:23,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 387. [2023-11-06 22:43:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 326 states have (on average 1.3006134969325154) internal successors, (424), 326 states have internal predecessors, (424), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-06 22:43:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 538 transitions. [2023-11-06 22:43:23,532 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 538 transitions. Word has length 162 [2023-11-06 22:43:23,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:23,533 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 538 transitions. [2023-11-06 22:43:23,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 538 transitions. [2023-11-06 22:43:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:43:23,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:23,535 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:23,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:23,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:43:23,742 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:23,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:23,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1020749674, now seen corresponding path program 1 times [2023-11-06 22:43:23,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:23,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691237818] [2023-11-06 22:43:23,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:23,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:23,788 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:23,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [208610190] [2023-11-06 22:43:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:23,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:23,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:23,790 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:23,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:43:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 22:43:24,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:24,239 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 9 treesize of output 3 [2023-11-06 22:43:26,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:26,275 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 32 treesize of output 20 [2023-11-06 22:43:26,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:26,403 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 32 treesize of output 20 [2023-11-06 22:43:26,512 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 24 treesize of output 16 [2023-11-06 22:43:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:26,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:26,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:26,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691237818] [2023-11-06 22:43:26,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:26,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208610190] [2023-11-06 22:43:26,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208610190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:26,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:26,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:43:26,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828754296] [2023-11-06 22:43:26,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:26,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:43:26,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:26,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:43:26,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:43:26,542 INFO L87 Difference]: Start difference. First operand 387 states and 538 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:27,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:27,915 INFO L93 Difference]: Finished difference Result 893 states and 1229 transitions. [2023-11-06 22:43:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:43:27,916 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2023-11-06 22:43:27,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:27,921 INFO L225 Difference]: With dead ends: 893 [2023-11-06 22:43:27,922 INFO L226 Difference]: Without dead ends: 603 [2023-11-06 22:43:27,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:43:27,925 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 337 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:27,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 574 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:43:27,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2023-11-06 22:43:27,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 414. [2023-11-06 22:43:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 353 states have (on average 1.291784702549575) internal successors, (456), 353 states have internal predecessors, (456), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-06 22:43:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 570 transitions. [2023-11-06 22:43:27,993 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 570 transitions. Word has length 162 [2023-11-06 22:43:27,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:27,995 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 570 transitions. [2023-11-06 22:43:27,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:27,996 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 570 transitions. [2023-11-06 22:43:27,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:43:27,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:27,999 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:28,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:28,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:43:28,206 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:28,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:28,207 INFO L85 PathProgramCache]: Analyzing trace with hash 424575767, now seen corresponding path program 1 times [2023-11-06 22:43:28,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:28,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107034622] [2023-11-06 22:43:28,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:28,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:28,252 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:28,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [655139137] [2023-11-06 22:43:28,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:28,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:28,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:28,254 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:28,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:43:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:28,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:43:28,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:28,601 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:28,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:28,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107034622] [2023-11-06 22:43:28,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:28,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655139137] [2023-11-06 22:43:28,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655139137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:28,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:28,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:43:28,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769153847] [2023-11-06 22:43:28,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:28,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:43:28,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:28,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:43:28,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:28,605 INFO L87 Difference]: Start difference. First operand 414 states and 570 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:28,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:28,693 INFO L93 Difference]: Finished difference Result 728 states and 1008 transitions. [2023-11-06 22:43:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:43:28,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2023-11-06 22:43:28,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:28,697 INFO L225 Difference]: With dead ends: 728 [2023-11-06 22:43:28,698 INFO L226 Difference]: Without dead ends: 438 [2023-11-06 22:43:28,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 158 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 22:43:28,699 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 45 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 652 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 22:43:28,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 652 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:43:28,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2023-11-06 22:43:28,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 420. [2023-11-06 22:43:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 359 states have (on average 1.286908077994429) internal successors, (462), 359 states have internal predecessors, (462), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-06 22:43:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 576 transitions. [2023-11-06 22:43:28,771 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 576 transitions. Word has length 162 [2023-11-06 22:43:28,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:28,771 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 576 transitions. [2023-11-06 22:43:28,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 576 transitions. [2023-11-06 22:43:28,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:43:28,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:28,774 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:28,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:28,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:43:28,987 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:28,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:28,988 INFO L85 PathProgramCache]: Analyzing trace with hash -392735254, now seen corresponding path program 1 times [2023-11-06 22:43:28,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:28,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693694546] [2023-11-06 22:43:28,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:28,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:29,029 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:29,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726542299] [2023-11-06 22:43:29,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:29,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:29,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:29,031 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:29,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:43:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:29,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:43:29,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:30,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:30,004 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 15 treesize of output 15 [2023-11-06 22:43:30,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:30,025 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:43:30,025 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 26 treesize of output 10 [2023-11-06 22:43:30,034 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:30,034 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:30,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:30,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693694546] [2023-11-06 22:43:30,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:30,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726542299] [2023-11-06 22:43:30,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726542299] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:30,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:30,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:43:30,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147450110] [2023-11-06 22:43:30,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:30,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:43:30,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:30,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:43:30,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:30,038 INFO L87 Difference]: Start difference. First operand 420 states and 576 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:30,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:30,319 INFO L93 Difference]: Finished difference Result 586 states and 804 transitions. [2023-11-06 22:43:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:43:30,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2023-11-06 22:43:30,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:30,323 INFO L225 Difference]: With dead ends: 586 [2023-11-06 22:43:30,323 INFO L226 Difference]: Without dead ends: 420 [2023-11-06 22:43:30,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:43:30,325 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 101 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:30,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 367 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:43:30,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-11-06 22:43:30,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2023-11-06 22:43:30,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 359 states have (on average 1.2785515320334262) internal successors, (459), 359 states have internal predecessors, (459), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-06 22:43:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 573 transitions. [2023-11-06 22:43:30,384 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 573 transitions. Word has length 162 [2023-11-06 22:43:30,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:30,384 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 573 transitions. [2023-11-06 22:43:30,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:30,385 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 573 transitions. [2023-11-06 22:43:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:43:30,386 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:30,386 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:30,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:30,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:43:30,594 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:30,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:30,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1877835713, now seen corresponding path program 1 times [2023-11-06 22:43:30,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:30,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379814645] [2023-11-06 22:43:30,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:30,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:30,632 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:30,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079743305] [2023-11-06 22:43:30,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:30,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:30,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:30,634 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:30,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:43:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:30,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-06 22:43:30,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:34,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:34,364 INFO L322 Elim1Store]: treesize reduction 64, result has 40.2 percent of original size [2023-11-06 22:43:34,364 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 5 case distinctions, treesize of input 41 treesize of output 72 [2023-11-06 22:43:34,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:34,628 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 31 treesize of output 19 [2023-11-06 22:43:34,737 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 31 treesize of output 19 [2023-11-06 22:43:34,834 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 23 treesize of output 15 [2023-11-06 22:43:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:34,862 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:34,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:34,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379814645] [2023-11-06 22:43:34,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:34,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079743305] [2023-11-06 22:43:34,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079743305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:34,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:34,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:43:34,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413936064] [2023-11-06 22:43:34,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:34,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:43:34,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:34,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:43:34,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:43:34,864 INFO L87 Difference]: Start difference. First operand 420 states and 573 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:36,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:36,583 INFO L93 Difference]: Finished difference Result 807 states and 1091 transitions. [2023-11-06 22:43:36,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:43:36,584 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2023-11-06 22:43:36,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:36,588 INFO L225 Difference]: With dead ends: 807 [2023-11-06 22:43:36,588 INFO L226 Difference]: Without dead ends: 641 [2023-11-06 22:43:36,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:43:36,590 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 237 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:36,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 913 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:43:36,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2023-11-06 22:43:36,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 433. [2023-11-06 22:43:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 372 states have (on average 1.2768817204301075) internal successors, (475), 372 states have internal predecessors, (475), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-06 22:43:36,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 589 transitions. [2023-11-06 22:43:36,667 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 589 transitions. Word has length 162 [2023-11-06 22:43:36,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:36,667 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 589 transitions. [2023-11-06 22:43:36,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 589 transitions. [2023-11-06 22:43:36,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-06 22:43:36,670 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:36,670 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:36,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:36,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:43:36,875 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:36,875 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:36,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1237856061, now seen corresponding path program 1 times [2023-11-06 22:43:36,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:36,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383244824] [2023-11-06 22:43:36,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:36,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:36,924 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:36,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227514869] [2023-11-06 22:43:36,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:36,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:36,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:36,936 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:36,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:43:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:37,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-06 22:43:37,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:40,879 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 15 treesize of output 15 [2023-11-06 22:43:41,058 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 46 treesize of output 30 [2023-11-06 22:43:41,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,069 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 58 [2023-11-06 22:43:41,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,120 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 21 treesize of output 28 [2023-11-06 22:43:41,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,449 INFO L322 Elim1Store]: treesize reduction 64, result has 32.6 percent of original size [2023-11-06 22:43:41,449 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 65 treesize of output 70 [2023-11-06 22:43:41,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,626 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 23 treesize of output 25 [2023-11-06 22:43:41,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:41,835 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 65 treesize of output 31 [2023-11-06 22:43:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:43:41,880 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:41,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:41,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383244824] [2023-11-06 22:43:41,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:41,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227514869] [2023-11-06 22:43:41,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227514869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:41,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:41,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:43:41,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026931388] [2023-11-06 22:43:41,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:41,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:43:41,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:41,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:43:41,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:43:41,883 INFO L87 Difference]: Start difference. First operand 433 states and 589 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:43,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:43,969 INFO L93 Difference]: Finished difference Result 826 states and 1119 transitions. [2023-11-06 22:43:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 22:43:43,970 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 163 [2023-11-06 22:43:43,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:43,974 INFO L225 Difference]: With dead ends: 826 [2023-11-06 22:43:43,975 INFO L226 Difference]: Without dead ends: 660 [2023-11-06 22:43:43,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=217, Invalid=595, Unknown=0, NotChecked=0, Total=812 [2023-11-06 22:43:43,976 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 518 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:43,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 1031 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:43:43,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2023-11-06 22:43:44,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 427. [2023-11-06 22:43:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 366 states have (on average 1.2759562841530054) internal successors, (467), 366 states have internal predecessors, (467), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-06 22:43:44,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 581 transitions. [2023-11-06 22:43:44,052 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 581 transitions. Word has length 163 [2023-11-06 22:43:44,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:44,053 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 581 transitions. [2023-11-06 22:43:44,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:43:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 581 transitions. [2023-11-06 22:43:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-06 22:43:44,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:44,055 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:44,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-06 22:43:44,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:44,267 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:44,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash -286944027, now seen corresponding path program 1 times [2023-11-06 22:43:44,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:44,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66041134] [2023-11-06 22:43:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:44,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:44,306 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:44,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293514276] [2023-11-06 22:43:44,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:44,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:44,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:44,308 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:44,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 22:43:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:44,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-06 22:43:44,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:44,899 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 25 treesize of output 13 [2023-11-06 22:43:45,647 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 25 treesize of output 13 [2023-11-06 22:43:46,169 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 25 treesize of output 13 [2023-11-06 22:43:46,694 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 25 treesize of output 13 [2023-11-06 22:43:47,067 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 25 treesize of output 13 [2023-11-06 22:43:47,480 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 25 treesize of output 13 [2023-11-06 22:43:47,835 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 25 treesize of output 13 [2023-11-06 22:43:48,255 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 25 treesize of output 13 [2023-11-06 22:43:48,755 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 25 treesize of output 13 [2023-11-06 22:43:49,245 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 25 treesize of output 13 [2023-11-06 22:43:49,735 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 25 treesize of output 13 [2023-11-06 22:43:50,209 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 25 treesize of output 13 [2023-11-06 22:43:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:50,418 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 25 treesize of output 13 [2023-11-06 22:43:50,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:50,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:50,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:50,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:50,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:43:50,881 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 73 [2023-11-06 22:43:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-06 22:43:51,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:44:15,028 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base))) (and (forall ((v_z_4 Int)) (or (forall ((v_y_4 Int)) (let ((.cse3 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse4 (select (select .cse3 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse2 (store .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse0 (select (select .cse2 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse1 (mod (select (select .cse2 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse0 1)) (= (mod .cse0 .cse1) 0) (< (mod (select (select .cse2 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse0 .cse1) 1) 4294967296)))))) (< .cse4 0) (< (mod (div .cse4 (mod (select (select .cse3 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_5 Int)) (or (< 4294967295 v_z_5) (< v_z_5 0) (forall ((v_y_5 Int)) (let ((.cse11 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296)))))) (let ((.cse7 (mod (select (select .cse11 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse6 (select (select .cse11 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (= (mod .cse6 .cse7) 0) (< (mod (+ (div .cse6 .cse7) 1) 4294967296) (+ v_z_5 1)) (< 0 (+ .cse6 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse10 (store .cse11 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse11 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse8 (mod (select (select .cse10 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse9 (div (select (select .cse10 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse10 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse8 (mod (+ .cse9 1) 4294967296)) (< .cse8 (mod .cse9 4294967296)))))))))))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse15 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse16 (div (select (select .cse15 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse15 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse17 (+ v_z_4 1))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse12 (store .cse15 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse15 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse13 (select (select .cse12 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse14 (mod (select (select .cse12 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse12 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse13 .cse14) 4294967296)) (not (= (mod .cse13 .cse14) 0)))))) (< (mod (+ .cse16 1) 4294967296) .cse17) (< (mod .cse16 4294967296) .cse17))))) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (forall ((v_y_4 Int)) (let ((.cse22 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse18 (select (select .cse22 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse18 0) (forall ((v_ArrVal_2282 Int)) (let ((.cse21 (store .cse22 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse22 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse19 (mod (select (select .cse21 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse20 (div (select (select .cse21 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse21 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse19 (mod .cse20 4294967296)) (< .cse19 (mod (+ .cse20 1) 4294967296)))))) (< (mod (div .cse18 (mod (select (select .cse22 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (forall ((v_y_4 Int)) (let ((.cse28 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse23 (div (select (select .cse28 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse28 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse24 (+ v_z_4 1))) (or (< (mod (+ .cse23 1) 4294967296) .cse24) (forall ((v_ArrVal_2282 Int)) (let ((.cse27 (store .cse28 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse28 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse25 (mod (select (select .cse27 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse26 (div (select (select .cse27 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse27 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse25 (mod .cse26 4294967296)) (< .cse25 (mod (+ .cse26 1) 4294967296)))))) (< (mod .cse23 4294967296) .cse24))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_5 Int)) (or (forall ((v_y_5 Int)) (let ((.cse34 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296)))))) (let ((.cse30 (mod (select (select .cse34 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse29 (select (select .cse34 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (= (mod .cse29 .cse30) 0) (< (mod (+ (div .cse29 .cse30) 1) 4294967296) (+ v_z_5 1)) (< 0 (+ .cse29 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse31 (store .cse34 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse34 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse33 (mod (select (select .cse31 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse32 (select (select .cse31 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse31 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse32 .cse33) 1) 4294967296)) (= (mod .cse32 .cse33) 0) (< 0 (+ .cse32 1)))))))))) (< 4294967295 v_z_5) (< v_z_5 0))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse38 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse39 (div (select (select .cse38 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse38 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse40 (+ v_z_4 1))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse37 (store .cse38 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse38 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse35 (select (select .cse37 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse36 (mod (select (select .cse37 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse35 1)) (= (mod .cse35 .cse36) 0) (< (mod (select (select .cse37 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse35 .cse36) 1) 4294967296)))))) (< (mod (+ .cse39 1) 4294967296) .cse40) (< (mod .cse39 4294967296) .cse40))))) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse44 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse45 (select (select .cse44 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse46 (mod (select (select .cse44 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse43 (store .cse44 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse44 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse41 (select (select .cse43 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse42 (mod (select (select .cse43 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse41 1)) (= (mod .cse41 .cse42) 0) (< (mod (select (select .cse43 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse41 .cse42) 1) 4294967296)))))) (not (= (mod .cse45 .cse46) 0)) (< (mod (div .cse45 .cse46) 4294967296) (+ v_z_4 1)))))))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse51 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse47 (div (select (select .cse51 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse51 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse48 (+ v_z_4 1))) (or (< (mod (+ .cse47 1) 4294967296) .cse48) (< (mod .cse47 4294967296) .cse48) (forall ((v_ArrVal_2282 Int)) (let ((.cse50 (store .cse51 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse51 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse49 (select (select .cse50 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse49 0) (< (mod (select (select .cse50 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse49 (mod (select (select .cse50 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)))))))))) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse56 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse52 (select (select .cse56 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse53 (mod (select (select .cse56 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse52 .cse53) 0)) (< (mod (div .cse52 .cse53) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse55 (store .cse56 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse56 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse54 (select (select .cse55 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse54 0) (< (mod (select (select .cse55 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse54 (mod (select (select .cse55 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)))))))))) (< 4294967295 v_z_4))) (forall ((v_z_5 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse61 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296)))))) (let ((.cse58 (mod (select (select .cse61 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse57 (select (select .cse61 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (= (mod .cse57 .cse58) 0) (< (mod (+ (div .cse57 .cse58) 1) 4294967296) (+ v_z_5 1)) (< 0 (+ .cse57 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse60 (store .cse61 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse61 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse59 (select (select .cse60 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse59 0) (< (mod (select (select .cse60 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse59 (mod (select (select .cse60 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)))))))))) (< v_z_5 0))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse65 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse66 (select (select .cse65 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse62 (store .cse65 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse65 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse63 (select (select .cse62 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse64 (mod (select (select .cse62 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse62 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse63 .cse64) 4294967296)) (not (= (mod .cse63 .cse64) 0)))))) (< .cse66 0) (< (mod (div .cse66 (mod (select (select .cse65 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)))))) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse72 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse67 (select (select .cse72 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse68 (mod (select (select .cse72 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse67 .cse68) 0)) (forall ((v_ArrVal_2282 Int)) (let ((.cse71 (store .cse72 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse72 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse69 (mod (select (select .cse71 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse70 (div (select (select .cse71 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse71 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse69 (mod .cse70 4294967296)) (< .cse69 (mod (+ .cse70 1) 4294967296)))))) (< (mod (div .cse67 .cse68) 4294967296) (+ v_z_4 1)))))))) (forall ((v_z_5 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse78 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296)))))) (let ((.cse74 (mod (select (select .cse78 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse73 (select (select .cse78 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (= (mod .cse73 .cse74) 0) (forall ((v_ArrVal_2282 Int)) (let ((.cse77 (store .cse78 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse78 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse75 (select (select .cse77 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse76 (mod (select (select .cse77 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse75 .cse76) 0)) (< (mod (select (select .cse77 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse75 .cse76) 4294967296)))))) (< (mod (+ (div .cse73 .cse74) 1) 4294967296) (+ v_z_5 1)) (< 0 (+ .cse73 1)))))) (< v_z_5 0))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse82 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse83 (select (select .cse82 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse84 (mod (select (select .cse82 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse79 (store .cse82 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse82 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse80 (select (select .cse79 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse81 (mod (select (select .cse79 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse79 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse80 .cse81) 4294967296)) (not (= (mod .cse80 .cse81) 0)))))) (not (= (mod .cse83 .cse84) 0)) (< (mod (div .cse83 .cse84) 4294967296) (+ v_z_4 1)))))) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (forall ((v_y_4 Int)) (let ((.cse86 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse85 (select (select .cse86 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse85 0) (< (mod (div .cse85 (mod (select (select .cse86 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse88 (store .cse86 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse86 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse87 (select (select .cse88 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse87 0) (< (mod (select (select .cse88 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse87 (mod (select (select .cse88 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))))) is different from false [2023-11-06 22:44:17,051 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base))) (and (forall ((v_z_4 Int)) (or (forall ((v_y_4 Int)) (let ((.cse3 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse4 (select (select .cse3 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse2 (store .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse3 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse0 (select (select .cse2 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse1 (mod (select (select .cse2 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse0 1)) (= (mod .cse0 .cse1) 0) (< (mod (select (select .cse2 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse0 .cse1) 1) 4294967296)))))) (< .cse4 0) (< (mod (div .cse4 (mod (select (select .cse3 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_5 Int)) (or (< 4294967295 v_z_5) (< v_z_5 0) (forall ((v_y_5 Int)) (let ((.cse11 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296)))))) (let ((.cse7 (mod (select (select .cse11 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse6 (select (select .cse11 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (= (mod .cse6 .cse7) 0) (< (mod (+ (div .cse6 .cse7) 1) 4294967296) (+ v_z_5 1)) (< 0 (+ .cse6 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse10 (store .cse11 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse11 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse8 (mod (select (select .cse10 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse9 (div (select (select .cse10 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse10 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse8 (mod (+ .cse9 1) 4294967296)) (< .cse8 (mod .cse9 4294967296)))))))))))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse15 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse16 (div (select (select .cse15 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse15 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse17 (+ v_z_4 1))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse12 (store .cse15 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse15 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse13 (select (select .cse12 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse14 (mod (select (select .cse12 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse12 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse13 .cse14) 4294967296)) (not (= (mod .cse13 .cse14) 0)))))) (< (mod (+ .cse16 1) 4294967296) .cse17) (< (mod .cse16 4294967296) .cse17))))) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (forall ((v_y_4 Int)) (let ((.cse22 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse18 (select (select .cse22 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse18 0) (forall ((v_ArrVal_2282 Int)) (let ((.cse21 (store .cse22 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse22 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse19 (mod (select (select .cse21 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse20 (div (select (select .cse21 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse21 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse19 (mod .cse20 4294967296)) (< .cse19 (mod (+ .cse20 1) 4294967296)))))) (< (mod (div .cse18 (mod (select (select .cse22 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (forall ((v_y_4 Int)) (let ((.cse28 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse23 (div (select (select .cse28 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse28 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse24 (+ v_z_4 1))) (or (< (mod (+ .cse23 1) 4294967296) .cse24) (forall ((v_ArrVal_2282 Int)) (let ((.cse27 (store .cse28 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse28 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse25 (mod (select (select .cse27 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse26 (div (select (select .cse27 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse27 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse25 (mod .cse26 4294967296)) (< .cse25 (mod (+ .cse26 1) 4294967296)))))) (< (mod .cse23 4294967296) .cse24))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_5 Int)) (or (forall ((v_y_5 Int)) (let ((.cse34 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296)))))) (let ((.cse30 (mod (select (select .cse34 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse29 (select (select .cse34 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (= (mod .cse29 .cse30) 0) (< (mod (+ (div .cse29 .cse30) 1) 4294967296) (+ v_z_5 1)) (< 0 (+ .cse29 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse31 (store .cse34 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse34 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse33 (mod (select (select .cse31 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse32 (select (select .cse31 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse31 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse32 .cse33) 1) 4294967296)) (= (mod .cse32 .cse33) 0) (< 0 (+ .cse32 1)))))))))) (< 4294967295 v_z_5) (< v_z_5 0))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse38 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse39 (div (select (select .cse38 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse38 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse40 (+ v_z_4 1))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse37 (store .cse38 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse38 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse35 (select (select .cse37 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse36 (mod (select (select .cse37 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse35 1)) (= (mod .cse35 .cse36) 0) (< (mod (select (select .cse37 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse35 .cse36) 1) 4294967296)))))) (< (mod (+ .cse39 1) 4294967296) .cse40) (< (mod .cse39 4294967296) .cse40))))) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse44 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse45 (select (select .cse44 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse46 (mod (select (select .cse44 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse43 (store .cse44 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse44 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse41 (select (select .cse43 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse42 (mod (select (select .cse43 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse41 1)) (= (mod .cse41 .cse42) 0) (< (mod (select (select .cse43 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse41 .cse42) 1) 4294967296)))))) (not (= (mod .cse45 .cse46) 0)) (< (mod (div .cse45 .cse46) 4294967296) (+ v_z_4 1)))))))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse51 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse47 (div (select (select .cse51 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse51 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse48 (+ v_z_4 1))) (or (< (mod (+ .cse47 1) 4294967296) .cse48) (< (mod .cse47 4294967296) .cse48) (forall ((v_ArrVal_2282 Int)) (let ((.cse50 (store .cse51 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse51 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse49 (select (select .cse50 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse49 0) (< (mod (select (select .cse50 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse49 (mod (select (select .cse50 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)))))))))) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse56 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse52 (select (select .cse56 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse53 (mod (select (select .cse56 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse52 .cse53) 0)) (< (mod (div .cse52 .cse53) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse55 (store .cse56 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse56 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse54 (select (select .cse55 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse54 0) (< (mod (select (select .cse55 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse54 (mod (select (select .cse55 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)))))))))) (< 4294967295 v_z_4))) (forall ((v_z_5 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse61 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296)))))) (let ((.cse58 (mod (select (select .cse61 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse57 (select (select .cse61 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (= (mod .cse57 .cse58) 0) (< (mod (+ (div .cse57 .cse58) 1) 4294967296) (+ v_z_5 1)) (< 0 (+ .cse57 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse60 (store .cse61 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse61 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse59 (select (select .cse60 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse59 0) (< (mod (select (select .cse60 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse59 (mod (select (select .cse60 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)))))))))) (< v_z_5 0))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse65 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse66 (select (select .cse65 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse62 (store .cse65 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse65 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse63 (select (select .cse62 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse64 (mod (select (select .cse62 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse62 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse63 .cse64) 4294967296)) (not (= (mod .cse63 .cse64) 0)))))) (< .cse66 0) (< (mod (div .cse66 (mod (select (select .cse65 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)))))) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse72 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse67 (select (select .cse72 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse68 (mod (select (select .cse72 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse67 .cse68) 0)) (forall ((v_ArrVal_2282 Int)) (let ((.cse71 (store .cse72 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse72 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse69 (mod (select (select .cse71 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse70 (div (select (select .cse71 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse71 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse69 (mod .cse70 4294967296)) (< .cse69 (mod (+ .cse70 1) 4294967296)))))) (< (mod (div .cse67 .cse68) 4294967296) (+ v_z_4 1)))))))) (forall ((v_z_5 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse78 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296)))))) (let ((.cse74 (mod (select (select .cse78 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse73 (select (select .cse78 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (= (mod .cse73 .cse74) 0) (forall ((v_ArrVal_2282 Int)) (let ((.cse77 (store .cse78 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse78 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse75 (select (select .cse77 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse76 (mod (select (select .cse77 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse75 .cse76) 0)) (< (mod (select (select .cse77 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse75 .cse76) 4294967296)))))) (< (mod (+ (div .cse73 .cse74) 1) 4294967296) (+ v_z_5 1)) (< 0 (+ .cse73 1)))))) (< v_z_5 0))) (forall ((v_z_4 Int)) (or (< v_z_4 0) (forall ((v_y_4 Int)) (let ((.cse82 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse83 (select (select .cse82 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse84 (mod (select (select .cse82 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (forall ((v_ArrVal_2282 Int)) (let ((.cse79 (store .cse82 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse82 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse80 (select (select .cse79 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse81 (mod (select (select .cse79 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse79 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse80 .cse81) 4294967296)) (not (= (mod .cse80 .cse81) 0)))))) (not (= (mod .cse83 .cse84) 0)) (< (mod (div .cse83 .cse84) 4294967296) (+ v_z_4 1)))))) (< 4294967295 v_z_4))) (forall ((v_z_4 Int)) (or (forall ((v_y_4 Int)) (let ((.cse86 (store |c_#memory_int| c_~WrapperStruct00_var_1_20_Pointer~0.base (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4))))) (let ((.cse85 (select (select .cse86 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse85 0) (< (mod (div .cse85 (mod (select (select .cse86 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse88 (store .cse86 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse86 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse87 (select (select .cse88 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse87 0) (< (mod (select (select .cse88 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse87 (mod (select (select .cse88 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))))) is different from true [2023-11-06 22:44:39,921 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base))) (and (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse1 (let ((.cse5 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse0 (select (select .cse1 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse0 0) (< (mod (div .cse0 (mod (select (select .cse1 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse4 (store .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse2 (mod (select (select .cse4 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse3 (div (select (select .cse4 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse4 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse2 (mod .cse3 4294967296)) (< .cse2 (mod (+ .cse3 1) 4294967296)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_5 Int) (v_ArrVal_2278 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse11 (let ((.cse13 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse13 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse13 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296))))))) (let ((.cse7 (select (select .cse11 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse12 (mod (select (select .cse11 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse7 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse8 (store .cse11 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse11 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse10 (mod (select (select .cse8 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse9 (select (select .cse8 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse8 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse9 .cse10) 1) 4294967296)) (= (mod .cse9 .cse10) 0) (< 0 (+ .cse9 1)))))) (< (mod (+ (div .cse7 .cse12) 1) 4294967296) (+ v_z_5 1)) (= (mod .cse7 .cse12) 0))))) (< v_z_5 0))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse17 (let ((.cse18 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse18 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse18 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse14 (select (select .cse17 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse14 0) (forall ((v_ArrVal_2282 Int)) (let ((.cse15 (store .cse17 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse17 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse16 (select (select .cse15 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse15 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse16 (mod (select (select .cse15 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)) (< .cse16 0))))) (< (mod (div .cse14 (mod (select (select .cse17 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)))))))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse24 (let ((.cse25 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse25 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse25 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse19 (select (select .cse24 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse20 (mod (select (select .cse24 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse19 .cse20) 0)) (< (mod (div .cse19 .cse20) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse21 (store .cse24 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse24 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse23 (mod (select (select .cse21 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse22 (select (select .cse21 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse21 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse22 .cse23) 1) 4294967296)) (= (mod .cse22 .cse23) 0) (< 0 (+ .cse22 1)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse27 (let ((.cse31 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse31 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse31 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse26 (select (select .cse27 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse26 0) (< (mod (div .cse26 (mod (select (select .cse27 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse28 (store .cse27 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse27 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse29 (select (select .cse28 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse30 (mod (select (select .cse28 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse28 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse29 .cse30) 4294967296)) (not (= (mod .cse29 .cse30) 0)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse37 (let ((.cse38 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse38 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse38 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse32 (select (select .cse37 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse33 (mod (select (select .cse37 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse32 .cse33) 0)) (< (mod (div .cse32 .cse33) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse36 (store .cse37 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse37 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse34 (mod (select (select .cse36 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse35 (div (select (select .cse36 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse36 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse34 (mod .cse35 4294967296)) (< .cse34 (mod (+ .cse35 1) 4294967296)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse44 (let ((.cse45 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse45 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse45 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse39 (div (select (select .cse44 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse44 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse40 (+ v_z_4 1))) (or (< (mod (+ .cse39 1) 4294967296) .cse40) (< (mod .cse39 4294967296) .cse40) (forall ((v_ArrVal_2282 Int)) (let ((.cse41 (store .cse44 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse44 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse42 (select (select .cse41 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse43 (mod (select (select .cse41 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse41 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse42 .cse43) 4294967296)) (not (= (mod .cse42 .cse43) 0)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse50 (let ((.cse51 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse51 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse51 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse46 (select (select .cse50 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse47 (mod (select (select .cse50 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse46 .cse47) 0)) (forall ((v_ArrVal_2282 Int)) (let ((.cse48 (store .cse50 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse50 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse49 (select (select .cse48 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse48 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse49 (mod (select (select .cse48 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)) (< .cse49 0))))) (< (mod (div .cse46 .cse47) 4294967296) (+ v_z_4 1)))))))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse57 (let ((.cse58 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse58 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse58 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse52 (div (select (select .cse57 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse57 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse53 (+ v_z_4 1))) (or (< (mod (+ .cse52 1) 4294967296) .cse53) (< (mod .cse52 4294967296) .cse53) (forall ((v_ArrVal_2282 Int)) (let ((.cse56 (store .cse57 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse57 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse54 (mod (select (select .cse56 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse55 (div (select (select .cse56 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse56 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse54 (mod .cse55 4294967296)) (< .cse54 (mod (+ .cse55 1) 4294967296)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_5 Int) (v_ArrVal_2278 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse62 (let ((.cse64 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse64 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse64 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296))))))) (let ((.cse59 (select (select .cse62 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse63 (mod (select (select .cse62 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse59 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse61 (store .cse62 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse62 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse60 (select (select .cse61 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse60 0) (< (mod (select (select .cse61 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse60 (mod (select (select .cse61 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)))))) (< (mod (+ (div .cse59 .cse63) 1) 4294967296) (+ v_z_5 1)) (= (mod .cse59 .cse63) 0))))) (< v_z_5 0))) (forall ((v_z_5 Int) (v_ArrVal_2278 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse70 (let ((.cse71 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse71 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse71 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296))))))) (let ((.cse65 (select (select .cse70 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse66 (mod (select (select .cse70 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse65 1)) (< (mod (+ (div .cse65 .cse66) 1) 4294967296) (+ v_z_5 1)) (= (mod .cse65 .cse66) 0) (forall ((v_ArrVal_2282 Int)) (let ((.cse69 (store .cse70 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse70 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse67 (mod (select (select .cse69 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse68 (div (select (select .cse69 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse69 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse67 (mod .cse68 4294967296)) (< .cse67 (mod (+ .cse68 1) 4294967296)))))))))) (< v_z_5 0))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse73 (let ((.cse77 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse77 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse77 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse72 (select (select .cse73 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse72 0) (< (mod (div .cse72 (mod (select (select .cse73 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse74 (store .cse73 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse73 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse76 (mod (select (select .cse74 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse75 (select (select .cse74 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse74 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse75 .cse76) 1) 4294967296)) (= (mod .cse75 .cse76) 0) (< 0 (+ .cse75 1)))))))))))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse83 (let ((.cse84 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse84 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse84 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse78 (select (select .cse83 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse79 (mod (select (select .cse83 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse78 .cse79) 0)) (< (mod (div .cse78 .cse79) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse80 (store .cse83 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse83 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse81 (select (select .cse80 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse82 (mod (select (select .cse80 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse80 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse81 .cse82) 4294967296)) (not (= (mod .cse81 .cse82) 0)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse90 (let ((.cse91 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse91 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse91 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse85 (div (select (select .cse90 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse90 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse86 (+ v_z_4 1))) (or (< (mod (+ .cse85 1) 4294967296) .cse86) (< (mod .cse85 4294967296) .cse86) (forall ((v_ArrVal_2282 Int)) (let ((.cse87 (store .cse90 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse90 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse89 (mod (select (select .cse87 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse88 (select (select .cse87 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse87 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse88 .cse89) 1) 4294967296)) (= (mod .cse88 .cse89) 0) (< 0 (+ .cse88 1)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse96 (let ((.cse97 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse97 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse97 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse92 (div (select (select .cse96 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse96 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse93 (+ v_z_4 1))) (or (< (mod (+ .cse92 1) 4294967296) .cse93) (forall ((v_ArrVal_2282 Int)) (let ((.cse94 (store .cse96 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse96 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse95 (select (select .cse94 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse94 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse95 (mod (select (select .cse94 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)) (< .cse95 0))))) (< (mod .cse92 4294967296) .cse93))))))) (forall ((v_z_5 Int) (v_ArrVal_2278 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse102 (let ((.cse104 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse104 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse104 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296))))))) (let ((.cse98 (select (select .cse102 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse103 (mod (select (select .cse102 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse98 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse99 (store .cse102 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse102 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse100 (select (select .cse99 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse101 (mod (select (select .cse99 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse99 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse100 .cse101) 4294967296)) (not (= (mod .cse100 .cse101) 0)))))) (< (mod (+ (div .cse98 .cse103) 1) 4294967296) (+ v_z_5 1)) (= (mod .cse98 .cse103) 0))))) (< v_z_5 0))))) is different from false [2023-11-06 22:44:41,944 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base))) (and (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse1 (let ((.cse5 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse5 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse0 (select (select .cse1 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse0 0) (< (mod (div .cse0 (mod (select (select .cse1 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse4 (store .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse1 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse2 (mod (select (select .cse4 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse3 (div (select (select .cse4 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse4 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse2 (mod .cse3 4294967296)) (< .cse2 (mod (+ .cse3 1) 4294967296)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_5 Int) (v_ArrVal_2278 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse11 (let ((.cse13 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse13 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse13 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296))))))) (let ((.cse7 (select (select .cse11 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse12 (mod (select (select .cse11 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse7 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse8 (store .cse11 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse11 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse10 (mod (select (select .cse8 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse9 (select (select .cse8 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse8 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse9 .cse10) 1) 4294967296)) (= (mod .cse9 .cse10) 0) (< 0 (+ .cse9 1)))))) (< (mod (+ (div .cse7 .cse12) 1) 4294967296) (+ v_z_5 1)) (= (mod .cse7 .cse12) 0))))) (< v_z_5 0))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse17 (let ((.cse18 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse18 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse18 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse14 (select (select .cse17 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse14 0) (forall ((v_ArrVal_2282 Int)) (let ((.cse15 (store .cse17 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse17 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse16 (select (select .cse15 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse15 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse16 (mod (select (select .cse15 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)) (< .cse16 0))))) (< (mod (div .cse14 (mod (select (select .cse17 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)))))))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse24 (let ((.cse25 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse25 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse25 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse19 (select (select .cse24 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse20 (mod (select (select .cse24 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse19 .cse20) 0)) (< (mod (div .cse19 .cse20) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse21 (store .cse24 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse24 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse23 (mod (select (select .cse21 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse22 (select (select .cse21 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse21 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse22 .cse23) 1) 4294967296)) (= (mod .cse22 .cse23) 0) (< 0 (+ .cse22 1)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse27 (let ((.cse31 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse31 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse31 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse26 (select (select .cse27 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse26 0) (< (mod (div .cse26 (mod (select (select .cse27 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse28 (store .cse27 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse27 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse29 (select (select .cse28 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse30 (mod (select (select .cse28 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse28 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse29 .cse30) 4294967296)) (not (= (mod .cse29 .cse30) 0)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse37 (let ((.cse38 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse38 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse38 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse32 (select (select .cse37 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse33 (mod (select (select .cse37 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse32 .cse33) 0)) (< (mod (div .cse32 .cse33) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse36 (store .cse37 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse37 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse34 (mod (select (select .cse36 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse35 (div (select (select .cse36 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse36 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse34 (mod .cse35 4294967296)) (< .cse34 (mod (+ .cse35 1) 4294967296)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse44 (let ((.cse45 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse45 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse45 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse39 (div (select (select .cse44 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse44 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse40 (+ v_z_4 1))) (or (< (mod (+ .cse39 1) 4294967296) .cse40) (< (mod .cse39 4294967296) .cse40) (forall ((v_ArrVal_2282 Int)) (let ((.cse41 (store .cse44 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse44 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse42 (select (select .cse41 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse43 (mod (select (select .cse41 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse41 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse42 .cse43) 4294967296)) (not (= (mod .cse42 .cse43) 0)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse50 (let ((.cse51 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse51 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse51 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse46 (select (select .cse50 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse47 (mod (select (select .cse50 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse46 .cse47) 0)) (forall ((v_ArrVal_2282 Int)) (let ((.cse48 (store .cse50 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse50 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse49 (select (select .cse48 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse48 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse49 (mod (select (select .cse48 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)) (< .cse49 0))))) (< (mod (div .cse46 .cse47) 4294967296) (+ v_z_4 1)))))))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse57 (let ((.cse58 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse58 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse58 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse52 (div (select (select .cse57 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse57 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse53 (+ v_z_4 1))) (or (< (mod (+ .cse52 1) 4294967296) .cse53) (< (mod .cse52 4294967296) .cse53) (forall ((v_ArrVal_2282 Int)) (let ((.cse56 (store .cse57 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse57 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse54 (mod (select (select .cse56 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse55 (div (select (select .cse56 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse56 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse54 (mod .cse55 4294967296)) (< .cse54 (mod (+ .cse55 1) 4294967296)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_5 Int) (v_ArrVal_2278 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse62 (let ((.cse64 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse64 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse64 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296))))))) (let ((.cse59 (select (select .cse62 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse63 (mod (select (select .cse62 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse59 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse61 (store .cse62 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse62 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse60 (select (select .cse61 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse60 0) (< (mod (select (select .cse61 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse60 (mod (select (select .cse61 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)))))) (< (mod (+ (div .cse59 .cse63) 1) 4294967296) (+ v_z_5 1)) (= (mod .cse59 .cse63) 0))))) (< v_z_5 0))) (forall ((v_z_5 Int) (v_ArrVal_2278 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse70 (let ((.cse71 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse71 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse71 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296))))))) (let ((.cse65 (select (select .cse70 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse66 (mod (select (select .cse70 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse65 1)) (< (mod (+ (div .cse65 .cse66) 1) 4294967296) (+ v_z_5 1)) (= (mod .cse65 .cse66) 0) (forall ((v_ArrVal_2282 Int)) (let ((.cse69 (store .cse70 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse70 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse67 (mod (select (select .cse69 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296)) (.cse68 (div (select (select .cse69 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse69 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)))) (or (< .cse67 (mod .cse68 4294967296)) (< .cse67 (mod (+ .cse68 1) 4294967296)))))))))) (< v_z_5 0))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse73 (let ((.cse77 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse77 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse77 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse72 (select (select .cse73 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< .cse72 0) (< (mod (div .cse72 (mod (select (select .cse73 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse74 (store .cse73 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse73 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse76 (mod (select (select .cse74 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse75 (select (select .cse74 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse74 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse75 .cse76) 1) 4294967296)) (= (mod .cse75 .cse76) 0) (< 0 (+ .cse75 1)))))))))))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse83 (let ((.cse84 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse84 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse84 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse78 (select (select .cse83 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse79 (mod (select (select .cse83 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (not (= (mod .cse78 .cse79) 0)) (< (mod (div .cse78 .cse79) 4294967296) (+ v_z_4 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse80 (store .cse83 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse83 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse81 (select (select .cse80 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse82 (mod (select (select .cse80 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse80 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse81 .cse82) 4294967296)) (not (= (mod .cse81 .cse82) 0)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (forall ((v_y_4 Int)) (let ((.cse90 (let ((.cse91 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse91 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse91 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse85 (div (select (select .cse90 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse90 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse86 (+ v_z_4 1))) (or (< (mod (+ .cse85 1) 4294967296) .cse86) (< (mod .cse85 4294967296) .cse86) (forall ((v_ArrVal_2282 Int)) (let ((.cse87 (store .cse90 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse90 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse89 (mod (select (select .cse87 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) (.cse88 (select (select .cse87 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse87 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (+ (div .cse88 .cse89) 1) 4294967296)) (= (mod .cse88 .cse89) 0) (< 0 (+ .cse88 1)))))))))) (< v_z_4 0) (< 4294967295 v_z_4))) (forall ((v_z_4 Int) (v_ArrVal_2278 Int)) (or (< v_z_4 0) (< 4294967295 v_z_4) (forall ((v_y_4 Int)) (let ((.cse96 (let ((.cse97 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse97 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse97 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ (* v_y_4 4294967296) v_z_4)))))) (let ((.cse92 (div (select (select .cse96 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset) (mod (select (select .cse96 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (.cse93 (+ v_z_4 1))) (or (< (mod (+ .cse92 1) 4294967296) .cse93) (forall ((v_ArrVal_2282 Int)) (let ((.cse94 (store .cse96 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse96 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse95 (select (select .cse94 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset))) (or (< (mod (select (select .cse94 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse95 (mod (select (select .cse94 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536)) 4294967296)) (< .cse95 0))))) (< (mod .cse92 4294967296) .cse93))))))) (forall ((v_z_5 Int) (v_ArrVal_2278 Int)) (or (< 4294967295 v_z_5) (forall ((v_y_5 Int)) (let ((.cse102 (let ((.cse104 (store |c_#memory_int| c_~WrapperStruct00_var_1_6_Pointer~0.base (store .cse6 c_~WrapperStruct00_var_1_6_Pointer~0.offset v_ArrVal_2278)))) (store .cse104 c_~WrapperStruct00_var_1_20_Pointer~0.base (store (select .cse104 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset (+ v_z_5 (* v_y_5 4294967296))))))) (let ((.cse98 (select (select .cse102 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse103 (mod (select (select .cse102 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< 0 (+ .cse98 1)) (forall ((v_ArrVal_2282 Int)) (let ((.cse99 (store .cse102 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse102 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_2282)))) (let ((.cse100 (select (select .cse99 c_~WrapperStruct00_var_1_18_Pointer~0.base) c_~WrapperStruct00_var_1_18_Pointer~0.offset)) (.cse101 (mod (select (select .cse99 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset) 65536))) (or (< (mod (select (select .cse99 c_~WrapperStruct00_var_1_20_Pointer~0.base) c_~WrapperStruct00_var_1_20_Pointer~0.offset) 4294967296) (mod (div .cse100 .cse101) 4294967296)) (not (= (mod .cse100 .cse101) 0)))))) (< (mod (+ (div .cse98 .cse103) 1) 4294967296) (+ v_z_5 1)) (= (mod .cse98 .cse103) 0))))) (< v_z_5 0))))) is different from true [2023-11-06 22:44:51,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:51,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66041134] [2023-11-06 22:44:51,867 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:44:51,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293514276] [2023-11-06 22:44:51,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293514276] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:44:51,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:44:51,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-11-06 22:44:51,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707333558] [2023-11-06 22:44:51,867 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:44:51,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:44:51,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:51,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:44:51,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=277, Unknown=6, NotChecked=70, Total=420 [2023-11-06 22:44:51,869 INFO L87 Difference]: Start difference. First operand 427 states and 581 transitions. Second operand has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 11 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:44:55,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:55,162 INFO L93 Difference]: Finished difference Result 792 states and 1075 transitions. [2023-11-06 22:44:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:44:55,163 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 11 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2023-11-06 22:44:55,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:55,167 INFO L225 Difference]: With dead ends: 792 [2023-11-06 22:44:55,167 INFO L226 Difference]: Without dead ends: 629 [2023-11-06 22:44:55,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 24.6s TimeCoverageRelationStatistics Valid=157, Invalid=495, Unknown=6, NotChecked=98, Total=756 [2023-11-06 22:44:55,172 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 345 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:55,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 753 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-06 22:44:55,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-11-06 22:44:55,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 579. [2023-11-06 22:44:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 498 states have (on average 1.2690763052208835) internal successors, (632), 498 states have internal predecessors, (632), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-06 22:44:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 784 transitions. [2023-11-06 22:44:55,293 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 784 transitions. Word has length 163 [2023-11-06 22:44:55,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:55,293 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 784 transitions. [2023-11-06 22:44:55,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 11 states have internal predecessors, (74), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:44:55,294 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 784 transitions. [2023-11-06 22:44:55,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-06 22:44:55,295 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:55,296 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:44:55,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:55,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:55,503 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:44:55,503 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:55,503 INFO L85 PathProgramCache]: Analyzing trace with hash 166796033, now seen corresponding path program 1 times [2023-11-06 22:44:55,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:55,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538329447] [2023-11-06 22:44:55,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:55,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:55,543 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:44:55,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1421258518] [2023-11-06 22:44:55,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:55,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:55,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:44:55,545 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:44:55,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 22:44:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:55,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-06 22:44:55,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:56,130 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 9 treesize of output 3 [2023-11-06 22:44:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:44:59,902 INFO L322 Elim1Store]: treesize reduction 64, result has 40.2 percent of original size [2023-11-06 22:44:59,903 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 5 case distinctions, treesize of input 41 treesize of output 72 [2023-11-06 22:45:00,184 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 50 treesize of output 36 [2023-11-06 22:45:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:00,192 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 56 [2023-11-06 22:45:00,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:00,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:00,217 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 27 treesize of output 29 [2023-11-06 22:45:00,439 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 76 treesize of output 65 [2023-11-06 22:45:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:00,523 INFO L322 Elim1Store]: treesize reduction 48, result has 39.2 percent of original size [2023-11-06 22:45:00,523 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 5 case distinctions, treesize of input 77 treesize of output 94 [2023-11-06 22:45:00,847 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 23 treesize of output 15 [2023-11-06 22:45:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:45:00,883 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:45:00,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:00,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538329447] [2023-11-06 22:45:00,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:45:00,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421258518] [2023-11-06 22:45:00,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421258518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:00,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:00,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:45:00,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061301459] [2023-11-06 22:45:00,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:00,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:45:00,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:00,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:45:00,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:45:00,886 INFO L87 Difference]: Start difference. First operand 579 states and 784 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:45:02,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:02,871 INFO L93 Difference]: Finished difference Result 1051 states and 1414 transitions. [2023-11-06 22:45:02,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:45:02,872 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 163 [2023-11-06 22:45:02,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:02,877 INFO L225 Difference]: With dead ends: 1051 [2023-11-06 22:45:02,877 INFO L226 Difference]: Without dead ends: 891 [2023-11-06 22:45:02,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:45:02,879 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 263 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:02,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 708 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:45:02,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2023-11-06 22:45:02,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 594. [2023-11-06 22:45:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 513 states have (on average 1.267056530214425) internal successors, (650), 513 states have internal predecessors, (650), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-06 22:45:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 802 transitions. [2023-11-06 22:45:02,986 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 802 transitions. Word has length 163 [2023-11-06 22:45:02,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:02,987 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 802 transitions. [2023-11-06 22:45:02,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:45:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 802 transitions. [2023-11-06 22:45:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-06 22:45:02,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:02,989 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:03,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:45:03,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-06 22:45:03,196 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:03,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:03,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1586892661, now seen corresponding path program 1 times [2023-11-06 22:45:03,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:03,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795232690] [2023-11-06 22:45:03,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:03,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:03,258 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:45:03,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2037865236] [2023-11-06 22:45:03,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:03,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:03,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:03,260 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:03,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 22:45:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:04,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 82 conjunts are in the unsatisfiable core [2023-11-06 22:45:04,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:05,239 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 15 treesize of output 1 [2023-11-06 22:45:06,064 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 14 [2023-11-06 22:45:06,437 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 14 [2023-11-06 22:45:06,798 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 14 [2023-11-06 22:45:07,170 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 14 [2023-11-06 22:45:07,559 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 14 [2023-11-06 22:45:08,348 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 39 treesize of output 26 [2023-11-06 22:45:08,897 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 39 treesize of output 26 [2023-11-06 22:45:09,493 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 39 treesize of output 26 [2023-11-06 22:45:10,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:10,088 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 49 treesize of output 37 [2023-11-06 22:45:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:10,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:10,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:10,652 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 53 [2023-11-06 22:45:11,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:11,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:11,348 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 128 treesize of output 64 [2023-11-06 22:45:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 362 proven. 205 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-06 22:45:11,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:45:14,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:14,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795232690] [2023-11-06 22:45:14,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:45:14,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037865236] [2023-11-06 22:45:14,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037865236] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:45:14,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:45:14,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2023-11-06 22:45:14,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790727078] [2023-11-06 22:45:14,261 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:45:14,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-06 22:45:14,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:14,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-06 22:45:14,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1029, Unknown=1, NotChecked=0, Total=1190 [2023-11-06 22:45:14,264 INFO L87 Difference]: Start difference. First operand 594 states and 802 transitions. Second operand has 26 states, 23 states have (on average 3.869565217391304) internal successors, (89), 24 states have internal predecessors, (89), 7 states have call successors, (19), 5 states have call predecessors, (19), 7 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) [2023-11-06 22:45:20,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:20,263 INFO L93 Difference]: Finished difference Result 1727 states and 2298 transitions. [2023-11-06 22:45:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-06 22:45:20,266 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 23 states have (on average 3.869565217391304) internal successors, (89), 24 states have internal predecessors, (89), 7 states have call successors, (19), 5 states have call predecessors, (19), 7 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) Word has length 163 [2023-11-06 22:45:20,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:20,273 INFO L225 Difference]: With dead ends: 1727 [2023-11-06 22:45:20,273 INFO L226 Difference]: Without dead ends: 1285 [2023-11-06 22:45:20,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1459 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=824, Invalid=4577, Unknown=1, NotChecked=0, Total=5402 [2023-11-06 22:45:20,278 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1062 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 2378 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 2426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:20,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1619 Invalid, 2426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2378 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-06 22:45:20,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2023-11-06 22:45:20,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 956. [2023-11-06 22:45:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 843 states have (on average 1.2586002372479241) internal successors, (1061), 847 states have internal predecessors, (1061), 96 states have call successors, (96), 16 states have call predecessors, (96), 16 states have return successors, (96), 92 states have call predecessors, (96), 96 states have call successors, (96) [2023-11-06 22:45:20,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1253 transitions. [2023-11-06 22:45:20,451 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1253 transitions. Word has length 163 [2023-11-06 22:45:20,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:20,452 INFO L495 AbstractCegarLoop]: Abstraction has 956 states and 1253 transitions. [2023-11-06 22:45:20,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 23 states have (on average 3.869565217391304) internal successors, (89), 24 states have internal predecessors, (89), 7 states have call successors, (19), 5 states have call predecessors, (19), 7 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) [2023-11-06 22:45:20,453 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1253 transitions. [2023-11-06 22:45:20,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-06 22:45:20,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:20,455 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:20,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:45:20,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:20,663 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:20,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:20,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1294589707, now seen corresponding path program 1 times [2023-11-06 22:45:20,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:20,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649927177] [2023-11-06 22:45:20,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:20,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:20,698 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:45:20,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [42119672] [2023-11-06 22:45:20,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:20,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:20,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:20,700 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:20,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-06 22:45:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:21,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-06 22:45:21,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:21,271 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 9 treesize of output 3 [2023-11-06 22:45:24,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:24,642 INFO L322 Elim1Store]: treesize reduction 64, result has 40.2 percent of original size [2023-11-06 22:45:24,642 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 5 case distinctions, treesize of input 41 treesize of output 72 [2023-11-06 22:45:24,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:24,879 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 31 treesize of output 19 [2023-11-06 22:45:24,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:45:24,979 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 31 treesize of output 19 [2023-11-06 22:45:25,094 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 23 treesize of output 15 [2023-11-06 22:45:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 22:45:25,125 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:45:25,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:25,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649927177] [2023-11-06 22:45:25,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:45:25,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42119672] [2023-11-06 22:45:25,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42119672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:25,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:25,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:45:25,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921952878] [2023-11-06 22:45:25,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:25,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:45:25,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:25,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:45:25,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:45:25,128 INFO L87 Difference]: Start difference. First operand 956 states and 1253 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:45:26,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:26,918 INFO L93 Difference]: Finished difference Result 1798 states and 2363 transitions. [2023-11-06 22:45:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:45:26,919 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 163 [2023-11-06 22:45:26,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:26,926 INFO L225 Difference]: With dead ends: 1798 [2023-11-06 22:45:26,926 INFO L226 Difference]: Without dead ends: 1425 [2023-11-06 22:45:26,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:45:26,928 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 349 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:26,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 658 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:45:26,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2023-11-06 22:45:27,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 972. [2023-11-06 22:45:27,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 859 states have (on average 1.2584400465657741) internal successors, (1081), 863 states have internal predecessors, (1081), 96 states have call successors, (96), 16 states have call predecessors, (96), 16 states have return successors, (96), 92 states have call predecessors, (96), 96 states have call successors, (96) [2023-11-06 22:45:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1273 transitions. [2023-11-06 22:45:27,098 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1273 transitions. Word has length 163 [2023-11-06 22:45:27,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:27,099 INFO L495 AbstractCegarLoop]: Abstraction has 972 states and 1273 transitions. [2023-11-06 22:45:27,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 22:45:27,099 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1273 transitions. [2023-11-06 22:45:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-06 22:45:27,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:27,102 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:27,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:45:27,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:27,309 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:27,309 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:27,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1564260407, now seen corresponding path program 1 times [2023-11-06 22:45:27,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:27,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369058053] [2023-11-06 22:45:27,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:27,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:27,349 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:45:27,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1998478677] [2023-11-06 22:45:27,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:27,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:27,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:27,353 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:27,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-06 22:45:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:27,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-06 22:45:27,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:27,897 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 23 treesize of output 11 [2023-11-06 22:45:28,346 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 23 treesize of output 11 [2023-11-06 22:45:28,620 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 23 treesize of output 11 [2023-11-06 22:45:28,923 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 23 treesize of output 11 [2023-11-06 22:45:29,142 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 23 treesize of output 11 [2023-11-06 22:45:29,372 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 23 treesize of output 11 [2023-11-06 22:45:29,591 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 23 treesize of output 11 [2023-11-06 22:45:29,821 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 23 treesize of output 11 [2023-11-06 22:45:30,297 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 32 treesize of output 23 [2023-11-06 22:45:30,673 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 32 treesize of output 23 [2023-11-06 22:45:31,035 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 32 treesize of output 23 [2023-11-06 22:45:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 258 proven. 151 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2023-11-06 22:45:31,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:45:31,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:31,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369058053] [2023-11-06 22:45:31,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:45:31,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998478677] [2023-11-06 22:45:31,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998478677] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:45:31,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:45:31,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-06 22:45:31,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008490427] [2023-11-06 22:45:31,600 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:45:31,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:45:31,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:31,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:45:31,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:45:31,602 INFO L87 Difference]: Start difference. First operand 972 states and 1273 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-11-06 22:45:32,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:32,825 INFO L93 Difference]: Finished difference Result 1773 states and 2328 transitions. [2023-11-06 22:45:32,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:45:32,826 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 163 [2023-11-06 22:45:32,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:32,832 INFO L225 Difference]: With dead ends: 1773 [2023-11-06 22:45:32,832 INFO L226 Difference]: Without dead ends: 955 [2023-11-06 22:45:32,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:45:32,834 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 67 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:32,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 580 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:45:32,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2023-11-06 22:45:33,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 951. [2023-11-06 22:45:33,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 837 states have (on average 1.2592592592592593) internal successors, (1054), 841 states have internal predecessors, (1054), 96 states have call successors, (96), 17 states have call predecessors, (96), 17 states have return successors, (96), 92 states have call predecessors, (96), 96 states have call successors, (96) [2023-11-06 22:45:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1246 transitions. [2023-11-06 22:45:33,008 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1246 transitions. Word has length 163 [2023-11-06 22:45:33,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:33,008 INFO L495 AbstractCegarLoop]: Abstraction has 951 states and 1246 transitions. [2023-11-06 22:45:33,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-11-06 22:45:33,009 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1246 transitions. [2023-11-06 22:45:33,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:45:33,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:33,011 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:33,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:45:33,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-06 22:45:33,219 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:33,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:33,219 INFO L85 PathProgramCache]: Analyzing trace with hash 254958917, now seen corresponding path program 1 times [2023-11-06 22:45:33,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:33,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706768291] [2023-11-06 22:45:33,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:33,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:33,260 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:45:33,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [657039883] [2023-11-06 22:45:33,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:33,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:33,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:33,261 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:33,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3475fe44-5671-4f75-ae31-927c84f9f51c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-06 22:45:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:33,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-06 22:45:33,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:33,866 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 9 treesize of output 3