./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/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_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/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_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/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 378186c6d9208dcac7e742ba7e3d709cb5ca4759d0a6109e61503d5010b43317 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:05:30,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:05:30,115 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:05:30,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:05:30,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:05:30,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:05:30,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:05:30,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:05:30,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:05:30,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:05:30,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:05:30,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:05:30,149 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:05:30,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:05:30,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:05:30,151 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:05:30,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:05:30,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:05:30,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:05:30,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:05:30,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:05:30,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:05:30,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:05:30,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:05:30,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:05:30,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:05:30,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:05:30,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:05:30,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:05:30,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:05:30,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:05:30,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:05:30,162 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:05:30,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:05:30,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:05:30,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:05:30,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:05:30,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:05:30,165 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:05:30,165 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_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 378186c6d9208dcac7e742ba7e3d709cb5ca4759d0a6109e61503d5010b43317 [2023-11-06 23:05:30,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:05:30,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:05:30,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:05:30,489 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:05:30,491 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:05:30,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i [2023-11-06 23:05:34,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:05:34,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:05:34,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i [2023-11-06 23:05:34,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/data/a990c403d/08dba463d1084208aab1276debccbdeb/FLAG2650e69fc [2023-11-06 23:05:34,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/data/a990c403d/08dba463d1084208aab1276debccbdeb [2023-11-06 23:05:34,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:05:34,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:05:34,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:05:34,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:05:34,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:05:34,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4039e4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34, skipping insertion in model container [2023-11-06 23:05:34,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:05:34,572 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_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i[917,930] [2023-11-06 23:05:34,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:05:34,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:05:34,684 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_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i[917,930] [2023-11-06 23:05:34,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:05:34,752 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:05:34,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34 WrapperNode [2023-11-06 23:05:34,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:05:34,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:05:34,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:05:34,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:05:34,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,857 INFO L138 Inliner]: procedures = 29, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 431 [2023-11-06 23:05:34,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:05:34,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:05:34,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:05:34,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:05:34,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:05:34,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:05:34,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:05:34,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:05:34,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (1/1) ... [2023-11-06 23:05:34,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:05:34,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:35,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:05:35,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:05:35,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:05:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 23:05:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:05:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 23:05:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:05:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 23:05:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:05:35,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:05:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:05:35,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:05:35,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:05:35,265 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:05:35,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:05:35,981 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:05:35,990 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:05:35,990 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:05:35,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:05:35 BoogieIcfgContainer [2023-11-06 23:05:35,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:05:35,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:05:35,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:05:36,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:05:36,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:05:34" (1/3) ... [2023-11-06 23:05:36,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741dee5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:05:36, skipping insertion in model container [2023-11-06 23:05:36,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:34" (2/3) ... [2023-11-06 23:05:36,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741dee5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:05:36, skipping insertion in model container [2023-11-06 23:05:36,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:05:35" (3/3) ... [2023-11-06 23:05:36,003 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-18.i [2023-11-06 23:05:36,029 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:05:36,029 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:05:36,085 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:05:36,093 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;@738cc1d8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:05:36,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:05:36,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 89 states have (on average 1.4831460674157304) internal successors, (132), 90 states have internal predecessors, (132), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:05:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 23:05:36,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:36,119 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:36,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:36,126 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:36,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1578952680, now seen corresponding path program 1 times [2023-11-06 23:05:36,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:36,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593828271] [2023-11-06 23:05:36,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:36,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:36,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:36,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593828271] [2023-11-06 23:05:36,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 23:05:36,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352946640] [2023-11-06 23:05:36,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:36,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:36,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:36,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:36,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:05:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:36,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:05:36,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:36,833 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-06 23:05:36,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:36,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352946640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:36,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:36,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:05:36,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000604705] [2023-11-06 23:05:36,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:36,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:05:36,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:36,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:05:36,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:05:36,900 INFO L87 Difference]: Start difference. First operand has 104 states, 89 states have (on average 1.4831460674157304) internal successors, (132), 90 states have internal predecessors, (132), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 23:05:36,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:36,961 INFO L93 Difference]: Finished difference Result 201 states and 318 transitions. [2023-11-06 23:05:36,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:05:36,963 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2023-11-06 23:05:36,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:36,973 INFO L225 Difference]: With dead ends: 201 [2023-11-06 23:05:36,973 INFO L226 Difference]: Without dead ends: 100 [2023-11-06 23:05:36,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 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 23:05:36,994 INFO L413 NwaCegarLoop]: 149 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, 149 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 23:05:36,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:05:37,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-06 23:05:37,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-06 23:05:37,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 86 states have internal predecessors, (125), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:05:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 149 transitions. [2023-11-06 23:05:37,048 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 149 transitions. Word has length 107 [2023-11-06 23:05:37,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:37,048 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 149 transitions. [2023-11-06 23:05:37,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 23:05:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2023-11-06 23:05:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 23:05:37,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:37,053 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:37,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:37,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 23:05:37,260 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:37,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:37,262 INFO L85 PathProgramCache]: Analyzing trace with hash 239181460, now seen corresponding path program 1 times [2023-11-06 23:05:37,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:37,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331653983] [2023-11-06 23:05:37,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:37,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:37,336 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:37,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980501820] [2023-11-06 23:05:37,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:37,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:37,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:37,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:37,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:05:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:37,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:05:37,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:37,676 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 23:05:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 23:05:37,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:37,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:37,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331653983] [2023-11-06 23:05:37,730 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:37,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980501820] [2023-11-06 23:05:37,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980501820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:37,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:37,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:05:37,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741975706] [2023-11-06 23:05:37,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:37,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:05:37,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:37,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:05:37,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:05:37,738 INFO L87 Difference]: Start difference. First operand 100 states and 149 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:05:37,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:37,828 INFO L93 Difference]: Finished difference Result 199 states and 298 transitions. [2023-11-06 23:05:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:05:37,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2023-11-06 23:05:37,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:37,840 INFO L225 Difference]: With dead ends: 199 [2023-11-06 23:05:37,840 INFO L226 Difference]: Without dead ends: 102 [2023-11-06 23:05:37,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 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 23:05:37,847 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 14 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:37,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 417 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:05:37,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-06 23:05:37,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2023-11-06 23:05:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 87 states have internal predecessors, (126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:05:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2023-11-06 23:05:37,870 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 107 [2023-11-06 23:05:37,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:37,873 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2023-11-06 23:05:37,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:05:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-06 23:05:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 23:05:37,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:37,877 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:37,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:38,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:38,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:38,081 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:38,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1349166442, now seen corresponding path program 1 times [2023-11-06 23:05:38,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:38,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543836652] [2023-11-06 23:05:38,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:38,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:38,207 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:38,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [186954683] [2023-11-06 23:05:38,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:38,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:38,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:38,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:38,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:05:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:38,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:05:38,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:38,553 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 23:05:38,590 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 23:05:38,590 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:38,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:38,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543836652] [2023-11-06 23:05:38,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:38,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186954683] [2023-11-06 23:05:38,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186954683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:38,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:38,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:05:38,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159443794] [2023-11-06 23:05:38,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:38,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:05:38,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:38,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:05:38,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:05:38,598 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:05:38,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:38,679 INFO L93 Difference]: Finished difference Result 225 states and 337 transitions. [2023-11-06 23:05:38,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:05:38,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2023-11-06 23:05:38,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:38,685 INFO L225 Difference]: With dead ends: 225 [2023-11-06 23:05:38,686 INFO L226 Difference]: Without dead ends: 127 [2023-11-06 23:05:38,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 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 23:05:38,692 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 88 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:38,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 419 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:05:38,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-06 23:05:38,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 102. [2023-11-06 23:05:38,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:05:38,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 151 transitions. [2023-11-06 23:05:38,730 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 151 transitions. Word has length 107 [2023-11-06 23:05:38,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:38,731 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 151 transitions. [2023-11-06 23:05:38,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:05:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2023-11-06 23:05:38,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 23:05:38,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:38,742 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:38,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:38,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:38,943 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:38,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:38,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1091001004, now seen corresponding path program 1 times [2023-11-06 23:05:38,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:38,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445781018] [2023-11-06 23:05:38,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:39,035 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:39,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1835493577] [2023-11-06 23:05:39,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:39,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:39,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:39,053 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:39,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:05:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:39,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-06 23:05:39,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:39,499 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 23:05:39,817 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 23:05:40,087 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 23:05:40,287 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 23:05:40,501 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 23:05:40,772 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 23:05:41,041 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 23:05:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:41,314 INFO L322 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-06 23:05:41,314 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2023-11-06 23:05:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-06 23:05:41,384 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:05:41,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:41,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445781018] [2023-11-06 23:05:41,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:41,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835493577] [2023-11-06 23:05:41,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835493577] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:05:41,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:05:41,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-06 23:05:41,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150301191] [2023-11-06 23:05:41,517 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:05:41,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:05:41,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:41,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:05:41,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:05:41,519 INFO L87 Difference]: Start difference. First operand 102 states and 151 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 23:05:41,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:41,932 INFO L93 Difference]: Finished difference Result 300 states and 447 transitions. [2023-11-06 23:05:41,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:05:41,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2023-11-06 23:05:41,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:41,936 INFO L225 Difference]: With dead ends: 300 [2023-11-06 23:05:41,936 INFO L226 Difference]: Without dead ends: 201 [2023-11-06 23:05:41,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:05:41,938 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 191 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:41,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 384 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:05:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-06 23:05:41,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 193. [2023-11-06 23:05:41,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 166 states have (on average 1.4457831325301205) internal successors, (240), 166 states have internal predecessors, (240), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 23:05:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 288 transitions. [2023-11-06 23:05:41,971 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 288 transitions. Word has length 107 [2023-11-06 23:05:41,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:41,972 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 288 transitions. [2023-11-06 23:05:41,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 23:05:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2023-11-06 23:05:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 23:05:41,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:41,976 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:41,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:42,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-06 23:05:42,185 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:42,185 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:42,185 INFO L85 PathProgramCache]: Analyzing trace with hash -918360532, now seen corresponding path program 1 times [2023-11-06 23:05:42,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:42,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997772808] [2023-11-06 23:05:42,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:42,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:42,242 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:42,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881835246] [2023-11-06 23:05:42,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:42,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:42,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:42,244 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:42,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:05:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:42,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 23:05:42,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:42,575 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 23:05:42,576 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:42,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:42,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997772808] [2023-11-06 23:05:42,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:42,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881835246] [2023-11-06 23:05:42,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881835246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:42,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:42,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:05:42,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796108156] [2023-11-06 23:05:42,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:42,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:05:42,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:42,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:05:42,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:05:42,580 INFO L87 Difference]: Start difference. First operand 193 states and 288 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:05:43,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:43,017 INFO L93 Difference]: Finished difference Result 390 states and 584 transitions. [2023-11-06 23:05:43,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:05:43,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2023-11-06 23:05:43,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:43,020 INFO L225 Difference]: With dead ends: 390 [2023-11-06 23:05:43,021 INFO L226 Difference]: Without dead ends: 200 [2023-11-06 23:05:43,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:05:43,023 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 9 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:43,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 328 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 23:05:43,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-11-06 23:05:43,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 198. [2023-11-06 23:05:43,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 171 states have (on average 1.432748538011696) internal successors, (245), 171 states have internal predecessors, (245), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 23:05:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 293 transitions. [2023-11-06 23:05:43,048 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 293 transitions. Word has length 108 [2023-11-06 23:05:43,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:43,049 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 293 transitions. [2023-11-06 23:05:43,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:05:43,050 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 293 transitions. [2023-11-06 23:05:43,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 23:05:43,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:43,067 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:43,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:43,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:43,274 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:43,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:43,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1382462058, now seen corresponding path program 1 times [2023-11-06 23:05:43,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:43,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599064472] [2023-11-06 23:05:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:43,330 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:43,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [523668817] [2023-11-06 23:05:43,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:43,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:43,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:43,340 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:43,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:05:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:43,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:05:43,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:43,674 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:05:43,675 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 30 treesize of output 26 [2023-11-06 23:05:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 23:05:43,715 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:43,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:43,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599064472] [2023-11-06 23:05:43,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:43,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523668817] [2023-11-06 23:05:43,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523668817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:43,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:43,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:05:43,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803588149] [2023-11-06 23:05:43,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:43,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:05:43,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:43,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:05:43,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:05:43,723 INFO L87 Difference]: Start difference. First operand 198 states and 293 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:05:43,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:43,998 INFO L93 Difference]: Finished difference Result 394 states and 584 transitions. [2023-11-06 23:05:43,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:05:44,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2023-11-06 23:05:44,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:44,005 INFO L225 Difference]: With dead ends: 394 [2023-11-06 23:05:44,006 INFO L226 Difference]: Without dead ends: 199 [2023-11-06 23:05:44,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:05:44,009 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 13 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:44,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 510 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:05:44,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-11-06 23:05:44,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 198. [2023-11-06 23:05:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 171 states have (on average 1.4210526315789473) internal successors, (243), 171 states have internal predecessors, (243), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 23:05:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 291 transitions. [2023-11-06 23:05:44,042 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 291 transitions. Word has length 108 [2023-11-06 23:05:44,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:44,043 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 291 transitions. [2023-11-06 23:05:44,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:05:44,044 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 291 transitions. [2023-11-06 23:05:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 23:05:44,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:44,050 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:44,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-06 23:05:44,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:44,263 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:44,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:44,264 INFO L85 PathProgramCache]: Analyzing trace with hash -157052959, now seen corresponding path program 1 times [2023-11-06 23:05:44,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:44,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807241336] [2023-11-06 23:05:44,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:44,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:44,319 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:44,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [424485373] [2023-11-06 23:05:44,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:44,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:44,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:44,321 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:44,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 23:05:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:44,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-06 23:05:44,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:44,793 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 23:05:45,635 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 23:05:46,175 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 23:05:46,553 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 23:05:46,944 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 23:05:47,444 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 23:05:47,992 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 23:05:48,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:48,537 INFO L322 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-06 23:05:48,538 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2023-11-06 23:05:48,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:48,678 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 21 [2023-11-06 23:05:48,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:48,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:48,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:48,879 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 41 treesize of output 24 [2023-11-06 23:05:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:49,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:49,130 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:05:49,131 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 49 treesize of output 29 [2023-11-06 23:05:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 107 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 23:05:49,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:05:52,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:52,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807241336] [2023-11-06 23:05:52,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:52,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424485373] [2023-11-06 23:05:52,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424485373] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:05:52,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:05:52,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2023-11-06 23:05:52,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374326846] [2023-11-06 23:05:52,048 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:05:52,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 23:05:52,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:52,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 23:05:52,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=432, Unknown=1, NotChecked=0, Total=506 [2023-11-06 23:05:52,051 INFO L87 Difference]: Start difference. First operand 198 states and 291 transitions. Second operand has 15 states, 14 states have (on average 4.071428571428571) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-06 23:05:54,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:54,468 INFO L93 Difference]: Finished difference Result 607 states and 892 transitions. [2023-11-06 23:05:54,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 23:05:54,470 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.071428571428571) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2023-11-06 23:05:54,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:54,474 INFO L225 Difference]: With dead ends: 607 [2023-11-06 23:05:54,475 INFO L226 Difference]: Without dead ends: 412 [2023-11-06 23:05:54,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=211, Invalid=844, Unknown=1, NotChecked=0, Total=1056 [2023-11-06 23:05:54,478 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 518 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:54,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 653 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 23:05:54,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-06 23:05:54,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 244. [2023-11-06 23:05:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 215 states have (on average 1.4) internal successors, (301), 215 states have internal predecessors, (301), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 23:05:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 349 transitions. [2023-11-06 23:05:54,528 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 349 transitions. Word has length 108 [2023-11-06 23:05:54,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:54,530 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 349 transitions. [2023-11-06 23:05:54,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.071428571428571) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-06 23:05:54,531 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 349 transitions. [2023-11-06 23:05:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-06 23:05:54,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:54,535 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:54,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:54,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:54,749 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:54,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:54,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1413064612, now seen corresponding path program 1 times [2023-11-06 23:05:54,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:54,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74854059] [2023-11-06 23:05:54,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:54,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:54,824 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:54,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [456075046] [2023-11-06 23:05:54,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:54,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:54,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:54,826 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:54,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 23:05:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:55,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 23:05:55,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 23:05:55,154 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:55,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:55,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74854059] [2023-11-06 23:05:55,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:55,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456075046] [2023-11-06 23:05:55,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456075046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:55,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:55,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:05:55,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389167894] [2023-11-06 23:05:55,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:55,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:05:55,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:55,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:05:55,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:05:55,159 INFO L87 Difference]: Start difference. First operand 244 states and 349 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:05:57,319 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 [] [2023-11-06 23:05:57,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:57,344 INFO L93 Difference]: Finished difference Result 539 states and 779 transitions. [2023-11-06 23:05:57,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:05:57,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2023-11-06 23:05:57,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:57,348 INFO L225 Difference]: With dead ends: 539 [2023-11-06 23:05:57,348 INFO L226 Difference]: Without dead ends: 298 [2023-11-06 23:05:57,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:05:57,350 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 153 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:57,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 224 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-06 23:05:57,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2023-11-06 23:05:57,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 248. [2023-11-06 23:05:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 219 states have (on average 1.3926940639269407) internal successors, (305), 219 states have internal predecessors, (305), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 23:05:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 353 transitions. [2023-11-06 23:05:57,375 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 353 transitions. Word has length 109 [2023-11-06 23:05:57,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:57,376 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 353 transitions. [2023-11-06 23:05:57,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:05:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 353 transitions. [2023-11-06 23:05:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-06 23:05:57,378 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:57,378 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:57,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:57,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:57,589 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:57,589 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:57,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1860440840, now seen corresponding path program 1 times [2023-11-06 23:05:57,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:05:57,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150509653] [2023-11-06 23:05:57,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:57,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:05:57,639 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:05:57,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519009664] [2023-11-06 23:05:57,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:57,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:05:57,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:57,641 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:05:57,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 23:05:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:57,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 23:05:57,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:59,360 INFO L322 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-06 23:05:59,360 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 1 case distinctions, treesize of input 15 treesize of output 15 [2023-11-06 23:05:59,465 INFO L322 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-06 23:05:59,465 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 1 case distinctions, treesize of input 15 treesize of output 15 [2023-11-06 23:05:59,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:59,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:59,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:59,688 INFO L322 Elim1Store]: treesize reduction 45, result has 25.0 percent of original size [2023-11-06 23:05:59,689 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 36 treesize of output 38 [2023-11-06 23:05:59,735 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 23:05:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 23:05:59,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:59,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:05:59,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150509653] [2023-11-06 23:05:59,757 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:05:59,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519009664] [2023-11-06 23:05:59,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519009664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:59,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:59,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:05:59,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655454120] [2023-11-06 23:05:59,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:59,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:05:59,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:05:59,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:05:59,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:05:59,760 INFO L87 Difference]: Start difference. First operand 248 states and 353 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:06:02,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 23:06:04,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 23:06:06,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 23:06:08,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 23:06:10,609 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 [] [2023-11-06 23:06:10,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:10,854 INFO L93 Difference]: Finished difference Result 476 states and 685 transitions. [2023-11-06 23:06:10,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:06:10,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-06 23:06:10,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:10,865 INFO L225 Difference]: With dead ends: 476 [2023-11-06 23:06:10,865 INFO L226 Difference]: Without dead ends: 348 [2023-11-06 23:06:10,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:06:10,869 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 290 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:10,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 466 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 330 Invalid, 5 Unknown, 0 Unchecked, 10.9s Time] [2023-11-06 23:06:10,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2023-11-06 23:06:10,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 264. [2023-11-06 23:06:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 235 states have (on average 1.3914893617021276) internal successors, (327), 235 states have internal predecessors, (327), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 23:06:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 375 transitions. [2023-11-06 23:06:10,902 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 375 transitions. Word has length 110 [2023-11-06 23:06:10,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:10,902 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 375 transitions. [2023-11-06 23:06:10,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:06:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 375 transitions. [2023-11-06 23:06:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-06 23:06:10,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:10,904 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:10,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:11,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:11,111 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:11,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:11,112 INFO L85 PathProgramCache]: Analyzing trace with hash -981809933, now seen corresponding path program 1 times [2023-11-06 23:06:11,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:11,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821753477] [2023-11-06 23:06:11,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:11,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:11,149 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:11,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802002621] [2023-11-06 23:06:11,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:11,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:11,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:11,151 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:11,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 23:06:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:11,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:06:11,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 23:06:11,414 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:06:11,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:11,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821753477] [2023-11-06 23:06:11,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:06:11,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802002621] [2023-11-06 23:06:11,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802002621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:06:11,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:06:11,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:06:11,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030190142] [2023-11-06 23:06:11,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:06:11,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:06:11,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:11,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:06:11,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:06:11,418 INFO L87 Difference]: Start difference. First operand 264 states and 375 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:06:11,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:11,487 INFO L93 Difference]: Finished difference Result 565 states and 807 transitions. [2023-11-06 23:06:11,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:06:11,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2023-11-06 23:06:11,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:11,493 INFO L225 Difference]: With dead ends: 565 [2023-11-06 23:06:11,493 INFO L226 Difference]: Without dead ends: 304 [2023-11-06 23:06:11,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 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 23:06:11,496 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 72 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:11,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 592 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:06:11,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2023-11-06 23:06:11,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 270. [2023-11-06 23:06:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 241 states have (on average 1.3817427385892116) internal successors, (333), 241 states have internal predecessors, (333), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 23:06:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 381 transitions. [2023-11-06 23:06:11,523 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 381 transitions. Word has length 110 [2023-11-06 23:06:11,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:11,524 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 381 transitions. [2023-11-06 23:06:11,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:06:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2023-11-06 23:06:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-06 23:06:11,526 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:11,526 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:11,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:11,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 23:06:11,732 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:11,732 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:11,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1470958395, now seen corresponding path program 1 times [2023-11-06 23:06:11,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:11,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790143820] [2023-11-06 23:06:11,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:11,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:11,770 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:11,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [3425773] [2023-11-06 23:06:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:11,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:11,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:11,772 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:11,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 23:06:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:11,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-06 23:06:12,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:12,177 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 23:06:12,485 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 23:06:12,793 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 23:06:13,017 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 23:06:13,262 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 23:06:13,534 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 23:06:13,796 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 23:06:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:14,084 INFO L322 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-06 23:06:14,085 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2023-11-06 23:06:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:14,266 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 24 treesize of output 12 [2023-11-06 23:06:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-06 23:06:14,285 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:06:14,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:14,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790143820] [2023-11-06 23:06:14,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:06:14,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3425773] [2023-11-06 23:06:14,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3425773] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:06:14,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:06:14,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-06 23:06:14,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64691166] [2023-11-06 23:06:14,686 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:06:14,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 23:06:14,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:14,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 23:06:14,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2023-11-06 23:06:14,688 INFO L87 Difference]: Start difference. First operand 270 states and 381 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 23:06:15,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:15,546 INFO L93 Difference]: Finished difference Result 760 states and 1076 transitions. [2023-11-06 23:06:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:06:15,547 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2023-11-06 23:06:15,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:15,551 INFO L225 Difference]: With dead ends: 760 [2023-11-06 23:06:15,551 INFO L226 Difference]: Without dead ends: 493 [2023-11-06 23:06:15,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2023-11-06 23:06:15,553 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 209 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:15,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 765 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 23:06:15,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2023-11-06 23:06:15,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 485. [2023-11-06 23:06:15,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 428 states have (on average 1.3785046728971964) internal successors, (590), 428 states have internal predecessors, (590), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 23:06:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 686 transitions. [2023-11-06 23:06:15,606 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 686 transitions. Word has length 110 [2023-11-06 23:06:15,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:15,607 INFO L495 AbstractCegarLoop]: Abstraction has 485 states and 686 transitions. [2023-11-06 23:06:15,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 23:06:15,607 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 686 transitions. [2023-11-06 23:06:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 23:06:15,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:15,609 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:15,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:15,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 23:06:15,817 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:15,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:15,817 INFO L85 PathProgramCache]: Analyzing trace with hash 936708628, now seen corresponding path program 1 times [2023-11-06 23:06:15,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:15,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231754216] [2023-11-06 23:06:15,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:15,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:15,870 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:15,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1622115992] [2023-11-06 23:06:15,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:15,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:15,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:15,901 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:15,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 23:06:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:16,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-06 23:06:16,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:16,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:16,645 INFO L322 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-06 23:06:16,645 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2023-11-06 23:06:17,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:17,073 INFO L322 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-11-06 23:06:17,074 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 3 case distinctions, treesize of input 31 treesize of output 24 [2023-11-06 23:06:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 23:06:17,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:06:17,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:17,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231754216] [2023-11-06 23:06:17,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:06:17,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622115992] [2023-11-06 23:06:17,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622115992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:06:17,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:06:17,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 23:06:17,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575872301] [2023-11-06 23:06:17,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:06:17,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:06:17,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:17,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:06:17,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:06:17,107 INFO L87 Difference]: Start difference. First operand 485 states and 686 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:06:19,853 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 [] [2023-11-06 23:06:22,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 23:06:24,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 23:06:26,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 23:06:28,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-06 23:06:29,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:29,141 INFO L93 Difference]: Finished difference Result 997 states and 1409 transitions. [2023-11-06 23:06:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:06:29,142 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2023-11-06 23:06:29,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:29,147 INFO L225 Difference]: With dead ends: 997 [2023-11-06 23:06:29,148 INFO L226 Difference]: Without dead ends: 851 [2023-11-06 23:06:29,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2023-11-06 23:06:29,150 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 298 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:29,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1012 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 740 Invalid, 5 Unknown, 0 Unchecked, 11.6s Time] [2023-11-06 23:06:29,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2023-11-06 23:06:29,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 521. [2023-11-06 23:06:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 464 states have (on average 1.3857758620689655) internal successors, (643), 464 states have internal predecessors, (643), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 23:06:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 739 transitions. [2023-11-06 23:06:29,207 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 739 transitions. Word has length 111 [2023-11-06 23:06:29,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:29,207 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 739 transitions. [2023-11-06 23:06:29,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:06:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 739 transitions. [2023-11-06 23:06:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 23:06:29,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:29,210 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:29,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-06 23:06:29,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 23:06:29,418 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:29,418 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:29,418 INFO L85 PathProgramCache]: Analyzing trace with hash -634734252, now seen corresponding path program 1 times [2023-11-06 23:06:29,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:29,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477066679] [2023-11-06 23:06:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:29,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:29,462 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:29,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393509482] [2023-11-06 23:06:29,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:29,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:29,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:29,464 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:29,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 23:06:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:29,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-06 23:06:29,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:29,810 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 23:06:30,221 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 23:06:30,534 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 23:06:30,786 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 23:06:31,057 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 23:06:31,385 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 23:06:31,689 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-06 23:06:32,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:32,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:32,123 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 23:06:32,123 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 30 [2023-11-06 23:06:32,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:32,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:32,194 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:06:32,194 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 3 case distinctions, treesize of input 35 treesize of output 23 [2023-11-06 23:06:32,226 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 107 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 23:06:32,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:06:33,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477066679] [2023-11-06 23:06:33,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:06:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393509482] [2023-11-06 23:06:33,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393509482] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:06:33,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:06:33,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-11-06 23:06:33,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078192148] [2023-11-06 23:06:33,202 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:06:33,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:06:33,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:33,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:06:33,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=220, Unknown=1, NotChecked=0, Total=272 [2023-11-06 23:06:33,204 INFO L87 Difference]: Start difference. First operand 521 states and 739 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-06 23:06:37,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 23:06:39,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 23:06:41,707 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 [0] [2023-11-06 23:06:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:41,778 INFO L93 Difference]: Finished difference Result 1358 states and 1923 transitions. [2023-11-06 23:06:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 23:06:41,779 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2023-11-06 23:06:41,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:41,784 INFO L225 Difference]: With dead ends: 1358 [2023-11-06 23:06:41,785 INFO L226 Difference]: Without dead ends: 817 [2023-11-06 23:06:41,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=185, Invalid=684, Unknown=1, NotChecked=0, Total=870 [2023-11-06 23:06:41,787 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 397 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 18 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:41,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1357 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1066 Invalid, 7 Unknown, 0 Unchecked, 7.9s Time] [2023-11-06 23:06:41,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2023-11-06 23:06:41,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 526. [2023-11-06 23:06:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 469 states have (on average 1.373134328358209) internal successors, (644), 469 states have internal predecessors, (644), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 23:06:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 740 transitions. [2023-11-06 23:06:41,852 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 740 transitions. Word has length 111 [2023-11-06 23:06:41,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:41,852 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 740 transitions. [2023-11-06 23:06:41,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-06 23:06:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 740 transitions. [2023-11-06 23:06:41,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 23:06:41,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:41,855 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:41,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:42,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 23:06:42,062 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:42,063 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:42,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2063270882, now seen corresponding path program 1 times [2023-11-06 23:06:42,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:42,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643281894] [2023-11-06 23:06:42,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:42,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:42,092 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:42,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547437748] [2023-11-06 23:06:42,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:42,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:42,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:42,094 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:42,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 23:06:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:42,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-06 23:06:42,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:42,491 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 23:06:42,809 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 23:06:43,091 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 23:06:43,333 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 23:06:43,552 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 23:06:43,852 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 23:06:44,145 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 23:06:44,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:44,417 INFO L322 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-06 23:06:44,418 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2023-11-06 23:06:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:44,845 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 24 treesize of output 12 [2023-11-06 23:06:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-06 23:06:44,870 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:06:45,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:45,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643281894] [2023-11-06 23:06:45,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:06:45,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547437748] [2023-11-06 23:06:45,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547437748] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:06:45,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:06:45,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2023-11-06 23:06:45,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930681094] [2023-11-06 23:06:45,290 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:06:45,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:06:45,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:45,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:06:45,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2023-11-06 23:06:45,292 INFO L87 Difference]: Start difference. First operand 526 states and 740 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 23:06:46,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:46,557 INFO L93 Difference]: Finished difference Result 868 states and 1221 transitions. [2023-11-06 23:06:46,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 23:06:46,565 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2023-11-06 23:06:46,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:46,569 INFO L225 Difference]: With dead ends: 868 [2023-11-06 23:06:46,569 INFO L226 Difference]: Without dead ends: 569 [2023-11-06 23:06:46,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2023-11-06 23:06:46,571 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 283 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:46,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 1057 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 23:06:46,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2023-11-06 23:06:46,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 528. [2023-11-06 23:06:46,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 471 states have (on average 1.3715498938428874) internal successors, (646), 471 states have internal predecessors, (646), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 23:06:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 742 transitions. [2023-11-06 23:06:46,651 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 742 transitions. Word has length 111 [2023-11-06 23:06:46,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:46,652 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 742 transitions. [2023-11-06 23:06:46,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 23:06:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 742 transitions. [2023-11-06 23:06:46,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-06 23:06:46,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:46,655 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:46,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:46,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 23:06:46,861 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:46,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:46,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1428382489, now seen corresponding path program 1 times [2023-11-06 23:06:46,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:46,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731329632] [2023-11-06 23:06:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:46,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:46,892 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:46,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1654500616] [2023-11-06 23:06:46,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:46,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:46,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:46,895 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:46,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 23:06:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:47,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-06 23:06:47,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:47,221 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 23:06:47,403 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 23 treesize of output 11 [2023-11-06 23:06:47,602 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 23:06:47,747 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-06 23:06:47,895 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 23:06:48,080 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 23:06:48,256 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 23:06:48,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:48,473 INFO L322 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-06 23:06:48,473 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2023-11-06 23:06:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-06 23:06:48,587 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:06:48,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:48,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731329632] [2023-11-06 23:06:48,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:06:48,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654500616] [2023-11-06 23:06:48,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654500616] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:06:48,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:06:48,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-06 23:06:48,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429672792] [2023-11-06 23:06:48,707 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:06:48,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:06:48,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:48,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:06:48,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:06:48,709 INFO L87 Difference]: Start difference. First operand 528 states and 742 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 23:06:51,203 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 [] [2023-11-06 23:06:52,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 23:06:52,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:52,633 INFO L93 Difference]: Finished difference Result 719 states and 1012 transitions. [2023-11-06 23:06:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:06:52,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2023-11-06 23:06:52,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:52,637 INFO L225 Difference]: With dead ends: 719 [2023-11-06 23:06:52,637 INFO L226 Difference]: Without dead ends: 546 [2023-11-06 23:06:52,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:06:52,639 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 182 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:52,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 604 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 314 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2023-11-06 23:06:52,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2023-11-06 23:06:52,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 534. [2023-11-06 23:06:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 477 states have (on average 1.3668763102725368) internal successors, (652), 477 states have internal predecessors, (652), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 23:06:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 748 transitions. [2023-11-06 23:06:52,697 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 748 transitions. Word has length 112 [2023-11-06 23:06:52,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:52,698 INFO L495 AbstractCegarLoop]: Abstraction has 534 states and 748 transitions. [2023-11-06 23:06:52,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 23:06:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 748 transitions. [2023-11-06 23:06:52,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-06 23:06:52,700 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:52,700 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:52,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-06 23:06:52,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 23:06:52,907 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:52,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:52,907 INFO L85 PathProgramCache]: Analyzing trace with hash -143060391, now seen corresponding path program 1 times [2023-11-06 23:06:52,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:52,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717436009] [2023-11-06 23:06:52,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:52,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:52,937 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:06:52,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [191710623] [2023-11-06 23:06:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:52,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:06:52,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:52,939 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:06:52,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 23:06:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:53,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-06 23:06:53,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:54,373 INFO L322 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-06 23:06:54,373 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 1 case distinctions, treesize of input 15 treesize of output 15 [2023-11-06 23:06:54,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:54,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:54,653 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 47 treesize of output 30 [2023-11-06 23:06:54,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:06:54,700 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 46 treesize of output 22 [2023-11-06 23:06:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 23:06:54,723 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:06:54,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:54,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717436009] [2023-11-06 23:06:54,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:06:54,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191710623] [2023-11-06 23:06:54,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191710623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:06:54,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:06:54,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:06:54,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956082955] [2023-11-06 23:06:54,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:06:54,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:06:54,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:54,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:06:54,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:06:54,726 INFO L87 Difference]: Start difference. First operand 534 states and 748 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:06:57,589 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 [] [2023-11-06 23:06:59,591 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 [] [2023-11-06 23:06:59,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:59,680 INFO L93 Difference]: Finished difference Result 1254 states and 1768 transitions. [2023-11-06 23:06:59,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:06:59,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2023-11-06 23:06:59,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:59,685 INFO L225 Difference]: With dead ends: 1254 [2023-11-06 23:06:59,685 INFO L226 Difference]: Without dead ends: 723 [2023-11-06 23:06:59,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:06:59,688 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 289 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:59,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 484 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 350 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2023-11-06 23:06:59,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2023-11-06 23:06:59,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 562. [2023-11-06 23:06:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 505 states have (on average 1.3683168316831684) internal successors, (691), 505 states have internal predecessors, (691), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 23:06:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 787 transitions. [2023-11-06 23:06:59,751 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 787 transitions. Word has length 112 [2023-11-06 23:06:59,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:59,752 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 787 transitions. [2023-11-06 23:06:59,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 23:06:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 787 transitions. [2023-11-06 23:06:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-06 23:06:59,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:59,754 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:59,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:59,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 23:06:59,961 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:59,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:59,962 INFO L85 PathProgramCache]: Analyzing trace with hash -453113063, now seen corresponding path program 1 times [2023-11-06 23:06:59,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:59,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897333189] [2023-11-06 23:06:59,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:59,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:00,000 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:07:00,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549725474] [2023-11-06 23:07:00,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:00,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:07:00,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:00,002 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:07:00,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 23:07:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:00,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:07:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:00,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:07:00,776 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:07:00,777 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:07:00,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:00,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 23:07:00,990 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:00,994 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:07:01,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:07:01 BoogieIcfgContainer [2023-11-06 23:07:01,138 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:07:01,139 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:07:01,139 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:07:01,139 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:07:01,140 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:05:35" (3/4) ... [2023-11-06 23:07:01,142 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:07:01,143 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:07:01,144 INFO L158 Benchmark]: Toolchain (without parser) took 86789.81ms. Allocated memory was 138.4MB in the beginning and 299.9MB in the end (delta: 161.5MB). Free memory was 96.1MB in the beginning and 149.5MB in the end (delta: -53.3MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2023-11-06 23:07:01,145 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 109.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:07:01,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.52ms. Allocated memory is still 138.4MB. Free memory was 95.8MB in the beginning and 81.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:07:01,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.63ms. Allocated memory is still 138.4MB. Free memory was 81.1MB in the beginning and 77.2MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:07:01,147 INFO L158 Benchmark]: Boogie Preprocessor took 105.51ms. Allocated memory is still 138.4MB. Free memory was 77.2MB in the beginning and 74.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:07:01,148 INFO L158 Benchmark]: RCFGBuilder took 1027.76ms. Allocated memory is still 138.4MB. Free memory was 74.4MB in the beginning and 80.6MB in the end (delta: -6.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-06 23:07:01,148 INFO L158 Benchmark]: TraceAbstraction took 85142.29ms. Allocated memory was 138.4MB in the beginning and 299.9MB in the end (delta: 161.5MB). Free memory was 80.0MB in the beginning and 149.5MB in the end (delta: -69.5MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. [2023-11-06 23:07:01,148 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 299.9MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:07:01,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 109.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.52ms. Allocated memory is still 138.4MB. Free memory was 95.8MB in the beginning and 81.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.63ms. Allocated memory is still 138.4MB. Free memory was 81.1MB in the beginning and 77.2MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.51ms. Allocated memory is still 138.4MB. Free memory was 77.2MB in the beginning and 74.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1027.76ms. Allocated memory is still 138.4MB. Free memory was 74.4MB in the beginning and 80.6MB in the end (delta: -6.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * TraceAbstraction took 85142.29ms. Allocated memory was 138.4MB in the beginning and 299.9MB in the end (delta: 161.5MB). Free memory was 80.0MB in the beginning and 149.5MB in the end (delta: -69.5MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 299.9MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of bitwiseOr at line 114, overapproximation of bitwiseAnd at line 71. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 99.25, 18477, 5, 5.8, 0.5, 16, 50, 1, 256, 0 }; [L47] float* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L48] signed short int* WrapperStruct00_var_1_7_Pointer = &(WrapperStruct00.var_1_7); [L49] signed short int* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L50] float* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L51] float* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L52] unsigned char* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L53] unsigned char* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L54] unsigned char* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L55] unsigned long int* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L56] unsigned char* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L57] unsigned char last_1_WrapperStruct00_var_1_11 = 16; [L58] unsigned long int last_1_WrapperStruct00_var_1_14 = 256; VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=0, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L118] isInitial = 1 [L119] FCALL initially() [L120] COND TRUE 1 [L121] CALL updateLastVariables() [L110] EXPR WrapperStruct00.var_1_11 [L110] last_1_WrapperStruct00_var_1_11 = WrapperStruct00.var_1_11 [L111] EXPR WrapperStruct00.var_1_14 [L111] last_1_WrapperStruct00_var_1_14 = WrapperStruct00.var_1_14 [L121] RET updateLastVariables() [L122] CALL updateVariables() [L89] WrapperStruct00.var_1_7 = __VERIFIER_nondet_short() [L90] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00.var_1_7=16383, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 16383) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 16383) VAL [WrapperStruct00.var_1_7=16383, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L91] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00.var_1_7=16383, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 32767) VAL [WrapperStruct00.var_1_7=16383, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L92] WrapperStruct00.var_1_8 = __VERIFIER_nondet_short() [L93] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00.var_1_8=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00.var_1_8=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L94] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00.var_1_8=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 16383) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 16383) VAL [WrapperStruct00.var_1_8=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L95] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct00.var_1_9 [L96] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_9 [L96] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00.var_1_9=3, WrapperStruct00.var_1_9=3, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L96] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [(WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )=1, WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F=1, WrapperStruct00.var_1_9=3, WrapperStruct00.var_1_9=3, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L96] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [(WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )=1, WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F=1, WrapperStruct00.var_1_9=3, WrapperStruct00.var_1_9=3, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L97] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L98] EXPR WrapperStruct00.var_1_10 [L98] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_10 [L98] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00.var_1_10=4, WrapperStruct00.var_1_10=4, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L98] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [(WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )=1, WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F=1, WrapperStruct00.var_1_10=4, WrapperStruct00.var_1_10=4, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L98] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [(WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )=1, WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F=1, WrapperStruct00.var_1_10=4, WrapperStruct00.var_1_10=4, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L99] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L100] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00.var_1_12=-256, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00.var_1_12=-256, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L101] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00.var_1_12=-256, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 254) VAL [WrapperStruct00.var_1_12=-256, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L102] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00.var_1_13=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00.var_1_13=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L104] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00.var_1_13=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 254) VAL [WrapperStruct00.var_1_13=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L105] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00.var_1_15=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00.var_1_15=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L107] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00.var_1_15=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00.var_1_15=257, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L122] RET updateVariables() [L123] CALL step() [L62] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L62] signed short int stepLocal_3 = (*(WrapperStruct00_var_1_8_Pointer)); [L63] unsigned long int stepLocal_2 = last_1_WrapperStruct00_var_1_14; VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_2=256, stepLocal_3=257] [L64] COND FALSE !(last_1_WrapperStruct00_var_1_14 > stepLocal_3) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_2=256, stepLocal_3=257] [L71] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_7_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_7_Pointer)=16383, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_2=256, stepLocal_3=257] [L71] EXPR (*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer)) VAL [(*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer))=0, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_7_Pointer)=16383, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_2=256, stepLocal_3=257] [L71] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_11_Pointer) VAL [(*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer))=0, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_12_Pointer)=-256, \read(*WrapperStruct00_var_1_7_Pointer)=16383, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_2=256, stepLocal_3=257] [L71] COND FALSE !(((*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer))) > (((*(WrapperStruct00_var_1_12_Pointer)) * last_1_WrapperStruct00_var_1_14) * ((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_11_Pointer))))) [L76] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L76] (*(WrapperStruct00_var_1_14_Pointer)) = (*(WrapperStruct00_var_1_7_Pointer)) [L78] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L78] unsigned char stepLocal_1 = (*(WrapperStruct00_var_1_11_Pointer)); [L79] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L79] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L79] EXPR \read(*WrapperStruct00_var_1_14_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_14_Pointer)=16383, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_1=16, stepLocal_2=256, stepLocal_3=257] [L79] EXPR (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))) [L79] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L79] EXPR (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))) VAL [(((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))=16383, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_14_Pointer)=16383, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_1=16, stepLocal_2=256, stepLocal_3=257] [L79] EXPR (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))))) VAL [(((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))=16383, (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))=4294967312, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_14_Pointer)=16383, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_1=16, stepLocal_2=256, stepLocal_3=257] [L79] unsigned long int stepLocal_0 = (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))))); [L80] EXPR \read(*WrapperStruct00_var_1_11_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_0=16, stepLocal_1=16, stepLocal_2=256, stepLocal_3=257] [L80] COND FALSE !(stepLocal_0 != (*(WrapperStruct00_var_1_11_Pointer))) [L85] (*(WrapperStruct00_var_1_1_Pointer)) = 10.5f VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256, stepLocal_0=16, stepLocal_1=16, stepLocal_2=256, stepLocal_3=257] [L123] RET step() [L124] CALL, EXPR property() [L114] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_14_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_14_Pointer)=16383, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))) [L114] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L114] EXPR (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))) VAL [(((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))=16383, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_14_Pointer)=16383, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer))))) VAL [(((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))=16383, (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))=4294967312, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_14_Pointer)=16383, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR \read(*WrapperStruct00_var_1_11_Pointer) VAL [(((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))=16383, (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))=4294967312, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_14_Pointer)=16383, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR (((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f)) [L114] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L114] EXPR (((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f)) VAL [(((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))=0, (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))=16383, (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))=4294967312, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_1_Pointer)=21/2, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR ((((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_WrapperStruct00_var_1_14 > (*(WrapperStruct00_var_1_8_Pointer))) ? ((((last_1_WrapperStruct00_var_1_11 - (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_7_Pointer))) > last_1_WrapperStruct00_var_1_14) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (((((*(WrapperStruct00_var_1_12_Pointer))) < ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_12_Pointer))))) : 1) VAL [((((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_WrapperStruct00_var_1_14 > (*(WrapperStruct00_var_1_8_Pointer))) ? ((((last_1_WrapperStruct00_var_1_11 - (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_7_Pointer))) > last_1_WrapperStruct00_var_1_14) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (((((*(WrapperStruct00_var_1_12_Pointer))) < ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_12_Pointer))))) : 1)=0, (((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))=0, (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))=16383, (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))=4294967312, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_1_Pointer)=21/2, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114] EXPR (((((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_WrapperStruct00_var_1_14 > (*(WrapperStruct00_var_1_8_Pointer))) ? ((((last_1_WrapperStruct00_var_1_11 - (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_7_Pointer))) > last_1_WrapperStruct00_var_1_14) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (((((*(WrapperStruct00_var_1_12_Pointer))) < ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_12_Pointer))))) : 1)) && ((((*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer))) > (((*(WrapperStruct00_var_1_12_Pointer)) * last_1_WrapperStruct00_var_1_14) * ((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_11_Pointer))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) && ((*(WrapperStruct00_var_1_9_Pointer)) > (*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_7_Pointer)))) : 1) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_7_Pointer))))) VAL [(((((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_WrapperStruct00_var_1_14 > (*(WrapperStruct00_var_1_8_Pointer))) ? ((((last_1_WrapperStruct00_var_1_11 - (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_7_Pointer))) > last_1_WrapperStruct00_var_1_14) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (((((*(WrapperStruct00_var_1_12_Pointer))) < ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_12_Pointer))))) : 1)) && ((((*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer))) > (((*(WrapperStruct00_var_1_12_Pointer)) * last_1_WrapperStruct00_var_1_14) * ((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_11_Pointer))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) && ((*(WrapperStruct00_var_1_9_Pointer)) > (*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_7_Pointer)))) : 1) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_7_Pointer)))))=0, ((((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_WrapperStruct00_var_1_14 > (*(WrapperStruct00_var_1_8_Pointer))) ? ((((last_1_WrapperStruct00_var_1_11 - (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_7_Pointer))) > last_1_WrapperStruct00_var_1_14) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (((((*(WrapperStruct00_var_1_12_Pointer))) < ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_12_Pointer))))) : 1)=0, (((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))=0, (((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))=16383, (*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))=4294967312, WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_11_Pointer)=16, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_14_Pointer)=16383, \read(*WrapperStruct00_var_1_1_Pointer)=21/2, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L114-L115] return (((((*(WrapperStruct00_var_1_11_Pointer)) ^ (((((*(WrapperStruct00_var_1_11_Pointer))) > ((*(WrapperStruct00_var_1_14_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_14_Pointer)))))) != (*(WrapperStruct00_var_1_11_Pointer))) ? (((*(WrapperStruct00_var_1_11_Pointer)) == ((*(WrapperStruct00_var_1_11_Pointer)) - ((*(WrapperStruct00_var_1_7_Pointer)) - (*(WrapperStruct00_var_1_11_Pointer))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_9_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((float) 10.5f))) && ((last_1_WrapperStruct00_var_1_14 > (*(WrapperStruct00_var_1_8_Pointer))) ? ((((last_1_WrapperStruct00_var_1_11 - (*(WrapperStruct00_var_1_8_Pointer))) + (*(WrapperStruct00_var_1_7_Pointer))) > last_1_WrapperStruct00_var_1_14) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (((((*(WrapperStruct00_var_1_12_Pointer))) < ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_12_Pointer))))) : 1)) && ((((*(WrapperStruct00_var_1_11_Pointer)) & (*(WrapperStruct00_var_1_7_Pointer))) > (((*(WrapperStruct00_var_1_12_Pointer)) * last_1_WrapperStruct00_var_1_14) * ((*(WrapperStruct00_var_1_11_Pointer)) + (*(WrapperStruct00_var_1_11_Pointer))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) && ((*(WrapperStruct00_var_1_9_Pointer)) > (*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_7_Pointer)))) : 1) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_7_Pointer))))) ; [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:16}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:18}, WrapperStruct00_var_1_14_Pointer={4:19}, WrapperStruct00_var_1_15_Pointer={4:23}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_7_Pointer={4:4}, WrapperStruct00_var_1_8_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:8}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_11=16, last_1_WrapperStruct00_var_1_14=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84.9s, OverallIterations: 17, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 49.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 21 mSolverCounterUnknown, 3012 SdHoareTripleChecker+Valid, 45.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3006 mSDsluCounter, 9421 SdHoareTripleChecker+Invalid, 44.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7056 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5484 IncrementalHoareTripleChecker+Invalid, 5588 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 2365 mSDtfsCounter, 5484 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1976 GetRequests, 1789 SyntacticMatches, 5 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=562occurred in iteration=16, InterpolantAutomatonStates: 121, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 1216 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 25.5s InterpolantComputationTime, 1967 NumberOfCodeBlocks, 1967 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1732 ConstructedInterpolants, 22 QuantifiedInterpolants, 22396 SizeOfPredicates, 169 NumberOfNonLiveVariables, 6561 ConjunctsInSsa, 437 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 3690/4224 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 23:07:01,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/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_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/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 378186c6d9208dcac7e742ba7e3d709cb5ca4759d0a6109e61503d5010b43317 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:07:03,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:07:03,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:07:03,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:07:03,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:07:03,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:07:03,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:07:03,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:07:03,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:07:03,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:07:03,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:07:03,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:07:03,879 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:07:03,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:07:03,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:07:03,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:07:03,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:07:03,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:07:03,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:07:03,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:07:03,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:07:03,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:07:03,885 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:07:03,885 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:07:03,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:07:03,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:07:03,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:07:03,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:07:03,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:07:03,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:07:03,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:07:03,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:07:03,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:07:03,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:07:03,891 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:07:03,892 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:07:03,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:07:03,893 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:07:03,893 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:07:03,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:07:03,894 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:07:03,895 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:07:03,895 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_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 378186c6d9208dcac7e742ba7e3d709cb5ca4759d0a6109e61503d5010b43317 [2023-11-06 23:07:04,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:07:04,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:07:04,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:07:04,324 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:07:04,328 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:07:04,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i [2023-11-06 23:07:07,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:07:07,871 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:07:07,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i [2023-11-06 23:07:07,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/data/3ea6ef7dd/f5a0f7add7f749519f43d9c768990685/FLAGb5c35b7df [2023-11-06 23:07:07,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/data/3ea6ef7dd/f5a0f7add7f749519f43d9c768990685 [2023-11-06 23:07:07,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:07:07,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:07:07,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:07:07,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:07:07,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:07:07,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:07" (1/1) ... [2023-11-06 23:07:07,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b86d657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:07, skipping insertion in model container [2023-11-06 23:07:07,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:07" (1/1) ... [2023-11-06 23:07:07,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:07:08,192 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_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i[917,930] [2023-11-06 23:07:08,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:07:08,316 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:07:08,336 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_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-18.i[917,930] [2023-11-06 23:07:08,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:07:08,422 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:07:08,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08 WrapperNode [2023-11-06 23:07:08,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:07:08,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:07:08,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:07:08,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:07:08,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,492 INFO L138 Inliner]: procedures = 36, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 392 [2023-11-06 23:07:08,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:07:08,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:07:08,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:07:08,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:07:08,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:07:08,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:07:08,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:07:08,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:07:08,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (1/1) ... [2023-11-06 23:07:08,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:07:08,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:08,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:08,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:07:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:07:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 23:07:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-06 23:07:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:07:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 23:07:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-06 23:07:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 23:07:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-06 23:07:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-06 23:07:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-06 23:07:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:07:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:07:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:07:08,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:07:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 23:07:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-06 23:07:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 23:07:08,797 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:07:08,800 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:07:10,379 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:07:10,389 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:07:10,392 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:07:10,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:10 BoogieIcfgContainer [2023-11-06 23:07:10,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:07:10,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:07:10,400 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:07:10,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:07:10,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:07:07" (1/3) ... [2023-11-06 23:07:10,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59024df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:07:10, skipping insertion in model container [2023-11-06 23:07:10,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:08" (2/3) ... [2023-11-06 23:07:10,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59024df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:07:10, skipping insertion in model container [2023-11-06 23:07:10,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:10" (3/3) ... [2023-11-06 23:07:10,414 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-18.i [2023-11-06 23:07:10,435 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:07:10,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:07:10,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:07:10,515 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;@5ecd4739, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:07:10,516 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:07:10,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 78 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:07:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 23:07:10,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:10,546 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:10,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:07:10,556 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:10,556 INFO L85 PathProgramCache]: Analyzing trace with hash -40990956, now seen corresponding path program 1 times [2023-11-06 23:07:10,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:07:10,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176241608] [2023-11-06 23:07:10,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:10,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:07:10,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:07:10,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:07:10,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 23:07:10,939 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Exception during sending of exit command (exit): Stream closed [2023-11-06 23:07:10,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 139 [2023-11-06 23:07:11,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:07:11,140 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 37 more [2023-11-06 23:07:11,145 INFO L158 Benchmark]: Toolchain (without parser) took 3219.21ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 59.8MB in the beginning and 57.8MB in the end (delta: 1.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 23:07:11,146 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:07:11,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.13ms. Allocated memory is still 81.8MB. Free memory was 59.6MB in the beginning and 44.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:07:11,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.70ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 40.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:07:11,148 INFO L158 Benchmark]: Boogie Preprocessor took 61.62ms. Allocated memory is still 81.8MB. Free memory was 40.7MB in the beginning and 37.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:07:11,149 INFO L158 Benchmark]: RCFGBuilder took 1840.24ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 79.3MB in the end (delta: -41.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-06 23:07:11,150 INFO L158 Benchmark]: TraceAbstraction took 744.67ms. Allocated memory is still 107.0MB. Free memory was 78.3MB in the beginning and 57.8MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 23:07:11,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.13ms. Allocated memory is still 81.8MB. Free memory was 59.6MB in the beginning and 44.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.70ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 40.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.62ms. Allocated memory is still 81.8MB. Free memory was 40.7MB in the beginning and 37.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1840.24ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 79.3MB in the end (delta: -41.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 744.67ms. Allocated memory is still 107.0MB. Free memory was 78.3MB in the beginning and 57.8MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 23:07:11,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd8f1f6f-73f1-48d2-91f4-d388a387f24d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output.