./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:27,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:27,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:05:27,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:27,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:27,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:27,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:27,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:27,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:27,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:27,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:27,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:27,587 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:27,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:27,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:27,590 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:27,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:27,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:27,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:27,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:27,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:27,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:27,594 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:27,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:27,595 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:27,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:27,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:27,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:27,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:27,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:27,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:27,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:27,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:05:27,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:05:27,601 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:27,601 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:27,601 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:27,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:27,602 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:27,602 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_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 [2023-11-19 08:05:27,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:27,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:27,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:27,988 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:27,989 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:27,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 08:05:31,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:31,441 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:31,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 08:05:31,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/data/fc8ff03a1/2e102f7bda2446c18c8ccce1dd973a0d/FLAG8302b4b1c [2023-11-19 08:05:31,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/data/fc8ff03a1/2e102f7bda2446c18c8ccce1dd973a0d [2023-11-19 08:05:31,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:31,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:31,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:31,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:31,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:31,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:31" (1/1) ... [2023-11-19 08:05:31,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1bc129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:31, skipping insertion in model container [2023-11-19 08:05:31,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:31" (1/1) ... [2023-11-19 08:05:31,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:31,739 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_8ea3deae-33a4-41de-bef6-535b1db220e1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-19 08:05:31,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:31,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:31,868 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_8ea3deae-33a4-41de-bef6-535b1db220e1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-19 08:05:31,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:32,003 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:32,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32 WrapperNode [2023-11-19 08:05:32,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:32,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:32,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:32,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:32,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,118 INFO L138 Inliner]: procedures = 29, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 572 [2023-11-19 08:05:32,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:32,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:32,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:32,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:32,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:32,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:32,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:32,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:32,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (1/1) ... [2023-11-19 08:05:32,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:32,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:32,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:32,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 08:05:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:05:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 08:05:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:05:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 08:05:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:05:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:05:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:05:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:32,511 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:32,515 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:33,366 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:33,385 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:33,388 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:05:33,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:33 BoogieIcfgContainer [2023-11-19 08:05:33,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:33,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:33,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:33,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:33,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:31" (1/3) ... [2023-11-19 08:05:33,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21701e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:33, skipping insertion in model container [2023-11-19 08:05:33,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:32" (2/3) ... [2023-11-19 08:05:33,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21701e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:33, skipping insertion in model container [2023-11-19 08:05:33,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:33" (3/3) ... [2023-11-19 08:05:33,408 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 08:05:33,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:33,431 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:05:33,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:33,516 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d471fde, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:33,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:05:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 117 states have (on average 1.4786324786324787) internal successors, (173), 118 states have internal predecessors, (173), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:05:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 08:05:33,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:33,541 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:33,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:33,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:33,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1341817024, now seen corresponding path program 1 times [2023-11-19 08:05:33,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:33,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748429092] [2023-11-19 08:05:33,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:33,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:33,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:05:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:05:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:05:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:05:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:05:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 08:05:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:05:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 08:05:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 08:05:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:05:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:05:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 08:05:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 08:05:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 08:05:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 08:05:34,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:34,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748429092] [2023-11-19 08:05:34,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748429092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:34,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:34,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:05:34,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28262845] [2023-11-19 08:05:34,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:34,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:05:34,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:34,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:05:34,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:34,162 INFO L87 Difference]: Start difference. First operand has 134 states, 117 states have (on average 1.4786324786324787) internal successors, (173), 118 states have internal predecessors, (173), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 08:05:34,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:34,202 INFO L93 Difference]: Finished difference Result 261 states and 410 transitions. [2023-11-19 08:05:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:05:34,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2023-11-19 08:05:34,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:34,215 INFO L225 Difference]: With dead ends: 261 [2023-11-19 08:05:34,215 INFO L226 Difference]: Without dead ends: 130 [2023-11-19 08:05:34,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:34,223 INFO L413 NwaCegarLoop]: 194 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, 194 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 [2023-11-19 08:05:34,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:34,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-19 08:05:34,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2023-11-19 08:05:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.456140350877193) internal successors, (166), 114 states have internal predecessors, (166), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:05:34,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 194 transitions. [2023-11-19 08:05:34,284 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 194 transitions. Word has length 117 [2023-11-19 08:05:34,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:34,285 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 194 transitions. [2023-11-19 08:05:34,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 08:05:34,285 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 194 transitions. [2023-11-19 08:05:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 08:05:34,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:34,290 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:34,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:05:34,291 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:34,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:34,292 INFO L85 PathProgramCache]: Analyzing trace with hash 939128040, now seen corresponding path program 1 times [2023-11-19 08:05:34,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:34,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952848977] [2023-11-19 08:05:34,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:34,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:05:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:05:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:05:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:05:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:05:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 08:05:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:05:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 08:05:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 08:05:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:05:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:05:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 08:05:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 08:05:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 08:05:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 08:05:35,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:35,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952848977] [2023-11-19 08:05:35,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952848977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:35,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:35,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:05:35,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604148040] [2023-11-19 08:05:35,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:35,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:05:35,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:35,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:05:35,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:05:35,259 INFO L87 Difference]: Start difference. First operand 130 states and 194 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 08:05:35,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:35,722 INFO L93 Difference]: Finished difference Result 330 states and 493 transitions. [2023-11-19 08:05:35,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:05:35,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-11-19 08:05:35,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:35,733 INFO L225 Difference]: With dead ends: 330 [2023-11-19 08:05:35,733 INFO L226 Difference]: Without dead ends: 203 [2023-11-19 08:05:35,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:05:35,741 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 141 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:35,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 580 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:05:35,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-19 08:05:35,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 134. [2023-11-19 08:05:35,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 118 states have (on average 1.4491525423728813) internal successors, (171), 118 states have internal predecessors, (171), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:05:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 199 transitions. [2023-11-19 08:05:35,774 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 199 transitions. Word has length 117 [2023-11-19 08:05:35,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:35,776 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 199 transitions. [2023-11-19 08:05:35,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 08:05:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 199 transitions. [2023-11-19 08:05:35,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 08:05:35,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:35,791 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:35,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:05:35,792 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:35,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:35,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1166112035, now seen corresponding path program 1 times [2023-11-19 08:05:35,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:35,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508087676] [2023-11-19 08:05:35,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:35,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:05:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:05:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:05:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:05:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:05:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 08:05:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:05:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 08:05:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 08:05:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:05:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:05:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 08:05:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 08:05:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 08:05:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 08:05:37,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:37,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508087676] [2023-11-19 08:05:37,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508087676] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:37,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793147270] [2023-11-19 08:05:37,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:37,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:37,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:37,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:37,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:05:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:37,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 08:05:37,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:38,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 55 [2023-11-19 08:05:38,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2023-11-19 08:05:38,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-19 08:05:38,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:38,731 INFO L378 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 70 treesize of output 55 [2023-11-19 08:05:38,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:38,902 INFO L378 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 70 treesize of output 55 [2023-11-19 08:05:39,181 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:05:39,181 INFO L378 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 80 treesize of output 42 [2023-11-19 08:05:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 08:05:39,310 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:39,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793147270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:39,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:05:39,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 18 [2023-11-19 08:05:39,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821406708] [2023-11-19 08:05:39,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:39,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 08:05:39,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:39,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 08:05:39,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2023-11-19 08:05:39,314 INFO L87 Difference]: Start difference. First operand 134 states and 199 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 08:05:41,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:41,122 INFO L93 Difference]: Finished difference Result 401 states and 597 transitions. [2023-11-19 08:05:41,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 08:05:41,124 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2023-11-19 08:05:41,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:41,128 INFO L225 Difference]: With dead ends: 401 [2023-11-19 08:05:41,128 INFO L226 Difference]: Without dead ends: 270 [2023-11-19 08:05:41,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2023-11-19 08:05:41,138 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 593 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1104 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:41,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 782 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1104 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-19 08:05:41,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-11-19 08:05:41,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 233. [2023-11-19 08:05:41,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 212 states have (on average 1.4669811320754718) internal successors, (311), 213 states have internal predecessors, (311), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:05:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 347 transitions. [2023-11-19 08:05:41,185 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 347 transitions. Word has length 119 [2023-11-19 08:05:41,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:41,186 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 347 transitions. [2023-11-19 08:05:41,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 08:05:41,189 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 347 transitions. [2023-11-19 08:05:41,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 08:05:41,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:41,192 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:41,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:41,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:41,425 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:41,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:41,426 INFO L85 PathProgramCache]: Analyzing trace with hash 773085025, now seen corresponding path program 1 times [2023-11-19 08:05:41,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:41,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946394076] [2023-11-19 08:05:41,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:41,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:05:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:05:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:05:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:05:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:05:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 08:05:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:05:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 08:05:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 08:05:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:05:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:05:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 08:05:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 08:05:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 08:05:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 08:05:42,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:42,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946394076] [2023-11-19 08:05:42,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946394076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:42,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:42,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 08:05:42,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94543784] [2023-11-19 08:05:42,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:42,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:05:42,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:42,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:05:42,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:05:42,436 INFO L87 Difference]: Start difference. First operand 233 states and 347 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 08:05:43,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:43,214 INFO L93 Difference]: Finished difference Result 494 states and 732 transitions. [2023-11-19 08:05:43,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:05:43,215 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119 [2023-11-19 08:05:43,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:43,220 INFO L225 Difference]: With dead ends: 494 [2023-11-19 08:05:43,220 INFO L226 Difference]: Without dead ends: 264 [2023-11-19 08:05:43,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:05:43,222 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 449 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:43,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 360 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 08:05:43,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-19 08:05:43,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 232. [2023-11-19 08:05:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 211 states have (on average 1.4644549763033174) internal successors, (309), 212 states have internal predecessors, (309), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:05:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 345 transitions. [2023-11-19 08:05:43,262 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 345 transitions. Word has length 119 [2023-11-19 08:05:43,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:43,263 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 345 transitions. [2023-11-19 08:05:43,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 08:05:43,264 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 345 transitions. [2023-11-19 08:05:43,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 08:05:43,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:43,268 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:43,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:05:43,268 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:43,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:43,269 INFO L85 PathProgramCache]: Analyzing trace with hash -368772420, now seen corresponding path program 1 times [2023-11-19 08:05:43,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:43,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898719831] [2023-11-19 08:05:43,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:43,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:05:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:05:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:05:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:05:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:05:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 08:05:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:05:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 08:05:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 08:05:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:05:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:05:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 08:05:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 08:05:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 08:05:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 08:05:44,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:44,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898719831] [2023-11-19 08:05:44,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898719831] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:44,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776343581] [2023-11-19 08:05:44,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:44,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:44,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:44,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:44,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:05:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 08:05:44,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:44,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 08:05:45,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:45,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:05:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:45,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:05:45,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:45,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:05:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:45,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:05:45,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:45,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:05:45,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:45,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:05:45,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:45,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:05:45,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 08:05:45,823 INFO L378 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 [2023-11-19 08:05:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 245 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-19 08:05:45,839 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:45,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776343581] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:45,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:45,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-11-19 08:05:45,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722804506] [2023-11-19 08:05:45,950 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:45,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-19 08:05:45,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:45,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-19 08:05:45,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=241, Unknown=2, NotChecked=0, Total=306 [2023-11-19 08:05:45,953 INFO L87 Difference]: Start difference. First operand 232 states and 345 transitions. Second operand has 17 states, 15 states have (on average 6.8) internal successors, (102), 17 states have internal predecessors, (102), 8 states have call successors, (28), 5 states have call predecessors, (28), 7 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) [2023-11-19 08:05:46,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:46,936 INFO L93 Difference]: Finished difference Result 477 states and 701 transitions. [2023-11-19 08:05:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 08:05:46,937 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.8) internal successors, (102), 17 states have internal predecessors, (102), 8 states have call successors, (28), 5 states have call predecessors, (28), 7 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) Word has length 119 [2023-11-19 08:05:46,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:46,940 INFO L225 Difference]: With dead ends: 477 [2023-11-19 08:05:46,940 INFO L226 Difference]: Without dead ends: 248 [2023-11-19 08:05:46,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 168 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=410, Unknown=2, NotChecked=0, Total=552 [2023-11-19 08:05:46,944 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 155 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:46,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 421 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 08:05:46,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-11-19 08:05:46,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 240. [2023-11-19 08:05:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 217 states have (on average 1.4423963133640554) internal successors, (313), 218 states have internal predecessors, (313), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:05:46,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 349 transitions. [2023-11-19 08:05:46,975 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 349 transitions. Word has length 119 [2023-11-19 08:05:46,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:46,976 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 349 transitions. [2023-11-19 08:05:46,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.8) internal successors, (102), 17 states have internal predecessors, (102), 8 states have call successors, (28), 5 states have call predecessors, (28), 7 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) [2023-11-19 08:05:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 349 transitions. [2023-11-19 08:05:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-19 08:05:46,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:46,979 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:47,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-19 08:05:47,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:47,193 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:47,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:47,193 INFO L85 PathProgramCache]: Analyzing trace with hash 316026134, now seen corresponding path program 1 times [2023-11-19 08:05:47,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:47,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634539456] [2023-11-19 08:05:47,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:47,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:05:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:05:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:05:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:05:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:05:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 08:05:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:05:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 08:05:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 08:05:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:05:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:05:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 08:05:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 08:05:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 08:05:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 08:05:48,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:48,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634539456] [2023-11-19 08:05:48,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634539456] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:48,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971711145] [2023-11-19 08:05:48,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:48,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:48,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:48,470 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:48,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:05:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:48,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 08:05:48,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:49,007 INFO L378 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 19 treesize of output 1 [2023-11-19 08:05:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:49,220 INFO L378 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 20 treesize of output 15 [2023-11-19 08:05:49,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:49,331 INFO L378 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 20 treesize of output 15 [2023-11-19 08:05:49,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:49,448 INFO L378 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 20 treesize of output 15 [2023-11-19 08:05:49,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:49,580 INFO L378 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 20 treesize of output 15 [2023-11-19 08:05:49,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:49,706 INFO L378 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 20 treesize of output 15 [2023-11-19 08:05:49,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:49,838 INFO L378 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 20 treesize of output 15 [2023-11-19 08:05:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:49,976 INFO L378 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 20 treesize of output 15 [2023-11-19 08:05:50,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-19 08:05:50,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2023-11-19 08:05:50,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:05:50,098 INFO L378 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 36 treesize of output 12 [2023-11-19 08:05:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 16 proven. 248 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 08:05:50,115 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:50,181 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_426 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_426) |c_~#BOOL_unsigned_char_Array_0~0.base|) (+ 3 |c_~#BOOL_unsigned_char_Array_0~0.offset|)))) (< .cse0 (+ (* 256 (div .cse0 256)) 1)))) is different from false [2023-11-19 08:05:50,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971711145] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:50,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:50,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2023-11-19 08:05:50,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8436579] [2023-11-19 08:05:50,206 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:50,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-19 08:05:50,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:50,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-19 08:05:50,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=280, Unknown=1, NotChecked=34, Total=380 [2023-11-19 08:05:50,210 INFO L87 Difference]: Start difference. First operand 240 states and 349 transitions. Second operand has 19 states, 17 states have (on average 6.470588235294118) internal successors, (110), 19 states have internal predecessors, (110), 8 states have call successors, (28), 5 states have call predecessors, (28), 7 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) [2023-11-19 08:05:52,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:52,422 INFO L93 Difference]: Finished difference Result 742 states and 1067 transitions. [2023-11-19 08:05:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-19 08:05:52,423 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 6.470588235294118) internal successors, (110), 19 states have internal predecessors, (110), 8 states have call successors, (28), 5 states have call predecessors, (28), 7 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) Word has length 121 [2023-11-19 08:05:52,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:52,427 INFO L225 Difference]: With dead ends: 742 [2023-11-19 08:05:52,427 INFO L226 Difference]: Without dead ends: 505 [2023-11-19 08:05:52,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 171 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=358, Invalid=1127, Unknown=1, NotChecked=74, Total=1560 [2023-11-19 08:05:52,430 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 881 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:52,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 619 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-19 08:05:52,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2023-11-19 08:05:52,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 214. [2023-11-19 08:05:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 196 states have (on average 1.4591836734693877) internal successors, (286), 196 states have internal predecessors, (286), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:05:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 314 transitions. [2023-11-19 08:05:52,459 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 314 transitions. Word has length 121 [2023-11-19 08:05:52,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:52,460 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 314 transitions. [2023-11-19 08:05:52,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 6.470588235294118) internal successors, (110), 19 states have internal predecessors, (110), 8 states have call successors, (28), 5 states have call predecessors, (28), 7 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) [2023-11-19 08:05:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 314 transitions. [2023-11-19 08:05:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-19 08:05:52,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:52,463 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:52,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:52,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 08:05:52,681 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:52,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:52,682 INFO L85 PathProgramCache]: Analyzing trace with hash -270779880, now seen corresponding path program 1 times [2023-11-19 08:05:52,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:52,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209058301] [2023-11-19 08:05:52,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:52,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:52,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:52,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:52,928 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:05:52,929 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:05:52,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:05:52,935 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:52,940 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:05:53,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 08:05:53,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 08:05:53,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 08:05:53,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 08:05:53,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 08:05:53,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 08:05:53,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 08:05:53,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 08:05:53,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 08:05:53,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 08:05:53,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-19 08:05:53,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 08:05:53,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 08:05:53,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-19 08:05:53,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-19 08:05:53,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 08:05:53,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 08:05:53,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-19 08:05:53,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-19 08:05:53,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 08:05:53,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-19 08:05:53,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-19 08:05:53,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 08:05:53,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-19 08:05:53,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-19 08:05:53,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 08:05:53,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-19 08:05:53,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-19 08:05:53,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-19 08:05:53,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-19 08:05:53,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-19 08:05:53,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-19 08:05:53,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-19 08:05:53,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-19 08:05:53,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-19 08:05:53,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-19 08:05:53,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 08:05:53,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 08:05:53,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-19 08:05:53,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-19 08:05:53,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-19 08:05:53,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-19 08:05:53,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-19 08:05:53,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-19 08:05:53,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 08:05:53,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite7 could not be translated [2023-11-19 08:05:53,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 08:05:53,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 08:05:53,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-19 08:05:53,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 08:05:53,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-19 08:05:53,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-19 08:05:53,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-19 08:05:53,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 08:05:53,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-11-19 08:05:53,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2023-11-19 08:05:53,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-19 08:05:53,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-19 08:05:53,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2023-11-19 08:05:53,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-19 08:05:53,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-19 08:05:53,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-19 08:05:53,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated [2023-11-19 08:05:53,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem26 could not be translated [2023-11-19 08:05:53,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-19 08:05:53,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-19 08:05:53,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 08:05:53,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-19 08:05:53,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-19 08:05:53,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite158 could not be translated [2023-11-19 08:05:53,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem157 could not be translated [2023-11-19 08:05:53,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-19 08:05:53,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short164 could not be translated [2023-11-19 08:05:53,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem157 could not be translated [2023-11-19 08:05:53,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite158 could not be translated [2023-11-19 08:05:53,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem157 could not be translated [2023-11-19 08:05:53,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short164 could not be translated [2023-11-19 08:05:53,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short175 could not be translated [2023-11-19 08:05:53,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite158 could not be translated [2023-11-19 08:05:53,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-19 08:05:53,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem157 could not be translated [2023-11-19 08:05:53,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short191 could not be translated [2023-11-19 08:05:53,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-19 08:05:53,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short175 could not be translated [2023-11-19 08:05:53,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite158 could not be translated [2023-11-19 08:05:53,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short164 could not be translated [2023-11-19 08:05:53,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:05:53 BoogieIcfgContainer [2023-11-19 08:05:53,067 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:05:53,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:05:53,068 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:05:53,071 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:05:53,071 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:33" (3/4) ... [2023-11-19 08:05:53,074 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:05:53,075 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:05:53,076 INFO L158 Benchmark]: Toolchain (without parser) took 21566.79ms. Allocated memory was 146.8MB in the beginning and 308.3MB in the end (delta: 161.5MB). Free memory was 103.0MB in the beginning and 99.8MB in the end (delta: 3.1MB). Peak memory consumption was 167.5MB. Max. memory is 16.1GB. [2023-11-19 08:05:53,076 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 115.3MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:53,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.81ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 85.6MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:05:53,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.51ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 80.1MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:05:53,082 INFO L158 Benchmark]: Boogie Preprocessor took 96.76ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 75.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:05:53,082 INFO L158 Benchmark]: RCFGBuilder took 1178.89ms. Allocated memory is still 146.8MB. Free memory was 75.9MB in the beginning and 79.8MB in the end (delta: -3.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-19 08:05:53,083 INFO L158 Benchmark]: TraceAbstraction took 19668.05ms. Allocated memory was 146.8MB in the beginning and 308.3MB in the end (delta: 161.5MB). Free memory was 78.9MB in the beginning and 99.8MB in the end (delta: -21.0MB). Peak memory consumption was 140.0MB. Max. memory is 16.1GB. [2023-11-19 08:05:53,083 INFO L158 Benchmark]: Witness Printer took 8.15ms. Allocated memory is still 308.3MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:53,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 115.3MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.81ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 85.6MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.51ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 80.1MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.76ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 75.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1178.89ms. Allocated memory is still 146.8MB. Free memory was 75.9MB in the beginning and 79.8MB in the end (delta: -3.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19668.05ms. Allocated memory was 146.8MB in the beginning and 308.3MB in the end (delta: 161.5MB). Free memory was 78.9MB in the beginning and 99.8MB in the end (delta: -21.0MB). Peak memory consumption was 140.0MB. Max. memory is 16.1GB. * Witness Printer took 8.15ms. Allocated memory is still 308.3MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite158 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem157 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short164 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem157 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite158 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem157 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short164 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short175 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite158 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem157 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short191 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short175 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite158 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short164 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 91, overapproximation of shiftRight at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L25-L27] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=0, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] FCALL updateLastVariables() [L99] CALL updateVariables() [L65] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L71] float_Array_0[0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] float_Array_0[1] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L75] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L76] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L78] unsigned_short_int_Array_0[0][0] = __VERIFIER_nondet_ushort() [L79] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L82] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L84] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L85] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L99] RET updateVariables() [L100] CALL step() [L37] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L37] EXPR ((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]) [L37] EXPR signed_short_int_Array_0[0] [L37] EXPR ((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L37] signed_short_int_Array_0[1] = ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]))) [L38] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L38] EXPR 50 >> unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L38] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L38] COND FALSE !((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) [L41] EXPR BOOL_unsigned_char_Array_0[1][1] [L41] BOOL_unsigned_char_Array_0[0][1] = (! BOOL_unsigned_char_Array_0[1][1]) [L43] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L43] COND TRUE ! BOOL_unsigned_char_Array_0[0][0] [L44] EXPR unsigned_short_int_Array_0[0][1] [L44] EXPR unsigned_short_int_Array_0[0][0] [L44] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L44] EXPR ((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1]) [L44] EXPR unsigned_short_int_Array_0[0][0] [L44] EXPR ((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L44] COND FALSE !(unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1])))) [L47] EXPR BOOL_unsigned_char_Array_0[1][1] [L47] BOOL_unsigned_char_Array_0[1][0] = BOOL_unsigned_char_Array_0[1][1] [L50] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L50] COND TRUE float_Array_0[1] >= 64.5f [L51] EXPR float_Array_0[1] [L51] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L51] COND FALSE !(float_Array_0[1] >= float_Array_0[0]) [L54] BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L54] COND FALSE !(BOOL_unsigned_char_Array_0[1][0]) [L57] EXPR unsigned_short_int_Array_0[0][0] [L57] unsigned_short_int_Array_0[1][1] = unsigned_short_int_Array_0[0][0] [L100] RET step() [L101] CALL, EXPR property() [L91] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L91] EXPR (float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50)) [L91] EXPR unsigned_short_int_Array_0[1][1] [L91] EXPR (float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50)) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L91] EXPR ((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L91] EXPR (((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L91] EXPR ((((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))))) && ((! BOOL_unsigned_char_Array_0[0][0]) ? ((unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L91-L92] return ((((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))))) && ((! BOOL_unsigned_char_Array_0[0][0]) ? ((unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) : 1) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 7, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2241 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2219 mSDsluCounter, 2956 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2212 mSDsCounter, 185 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4375 IncrementalHoareTripleChecker+Invalid, 4560 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 185 mSolverCounterUnsat, 744 mSDtfsCounter, 4375 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 702 GetRequests, 595 SyntacticMatches, 9 SemanticMatches, 98 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=5, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 437 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 1192 NumberOfCodeBlocks, 1192 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1062 ConstructedInterpolants, 0 QuantifiedInterpolants, 10424 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1199 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 2681/3276 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:05:53,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:55,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:56,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:05:56,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:56,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:56,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:56,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:56,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:56,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:56,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:56,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:56,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:56,197 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:56,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:56,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:56,201 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:56,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:56,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:56,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:56,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:56,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:56,204 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:05:56,204 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:05:56,205 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:05:56,205 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:56,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:56,206 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:56,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:56,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:56,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:56,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:56,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:56,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:56,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:56,210 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:05:56,211 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:05:56,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:56,211 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:56,211 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:56,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:56,213 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:05:56,213 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:56,214 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_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 [2023-11-19 08:05:56,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:56,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:56,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:56,699 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:56,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:56,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 08:06:00,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:06:00,343 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:06:00,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 08:06:00,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/data/8007a1a15/d402ec43dbd44778b5ed4b972faa1b6e/FLAGc1bb303bb [2023-11-19 08:06:00,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/data/8007a1a15/d402ec43dbd44778b5ed4b972faa1b6e [2023-11-19 08:06:00,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:06:00,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:06:00,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:00,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:06:00,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:06:00,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:00,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b08ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00, skipping insertion in model container [2023-11-19 08:06:00,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:00,415 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:06:00,605 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_8ea3deae-33a4-41de-bef6-535b1db220e1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-19 08:06:00,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:00,703 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:06:00,734 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_8ea3deae-33a4-41de-bef6-535b1db220e1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-19 08:06:00,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:00,891 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:06:00,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00 WrapperNode [2023-11-19 08:06:00,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:00,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:00,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:06:00,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:06:00,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:00,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:01,004 INFO L138 Inliner]: procedures = 33, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 562 [2023-11-19 08:06:01,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:01,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:06:01,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:06:01,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:06:01,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:01,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:01,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:01,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:01,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:01,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:01,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:01,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:01,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:06:01,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:06:01,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:06:01,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:06:01,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (1/1) ... [2023-11-19 08:06:01,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:01,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:01,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:06:01,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:06:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:06:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 08:06:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 08:06:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:06:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 08:06:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 08:06:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 08:06:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 08:06:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:06:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:06:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:06:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:06:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 08:06:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 08:06:01,342 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:06:01,344 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:06:02,313 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:06:02,326 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:06:02,326 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:06:02,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:02 BoogieIcfgContainer [2023-11-19 08:06:02,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:06:02,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:06:02,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:06:02,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:06:02,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:00" (1/3) ... [2023-11-19 08:06:02,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ef7230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:02, skipping insertion in model container [2023-11-19 08:06:02,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:00" (2/3) ... [2023-11-19 08:06:02,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ef7230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:02, skipping insertion in model container [2023-11-19 08:06:02,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:02" (3/3) ... [2023-11-19 08:06:02,372 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 08:06:02,394 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:06:02,395 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:06:02,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:06:02,474 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c531290, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:06:02,475 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:06:02,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:06:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 08:06:02,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:02,506 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:02,508 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:02,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:02,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1302661732, now seen corresponding path program 1 times [2023-11-19 08:06:02,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:06:02,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478603829] [2023-11-19 08:06:02,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:02,537 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:02,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:06:02,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:06:02,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 08:06:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:02,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:06:02,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-19 08:06:03,045 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:06:03,046 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:06:03,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478603829] [2023-11-19 08:06:03,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478603829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:03,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:03,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:06:03,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674952647] [2023-11-19 08:06:03,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:03,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:06:03,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:06:03,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:06:03,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:06:03,111 INFO L87 Difference]: Start difference. First operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 08:06:03,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:03,154 INFO L93 Difference]: Finished difference Result 253 states and 398 transitions. [2023-11-19 08:06:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:06:03,157 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2023-11-19 08:06:03,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:03,177 INFO L225 Difference]: With dead ends: 253 [2023-11-19 08:06:03,177 INFO L226 Difference]: Without dead ends: 126 [2023-11-19 08:06:03,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:06:03,185 INFO L413 NwaCegarLoop]: 188 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, 188 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 [2023-11-19 08:06:03,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:06:03,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-19 08:06:03,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2023-11-19 08:06:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:06:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 188 transitions. [2023-11-19 08:06:03,244 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 188 transitions. Word has length 115 [2023-11-19 08:06:03,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:03,245 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 188 transitions. [2023-11-19 08:06:03,245 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 08:06:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 188 transitions. [2023-11-19 08:06:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 08:06:03,250 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:03,250 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:03,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:06:03,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:03,458 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:03,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:03,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1019262276, now seen corresponding path program 1 times [2023-11-19 08:06:03,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:06:03,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058709966] [2023-11-19 08:06:03,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:03,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:03,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:06:03,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:06:03,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 08:06:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:03,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 08:06:03,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:03,928 INFO L378 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 14 treesize of output 10 [2023-11-19 08:06:04,002 INFO L378 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 43 treesize of output 25 [2023-11-19 08:06:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 08:06:04,032 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:06:04,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:06:04,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058709966] [2023-11-19 08:06:04,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058709966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:04,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:04,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:06:04,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278564570] [2023-11-19 08:06:04,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:04,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:06:04,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:06:04,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:06:04,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:06:04,039 INFO L87 Difference]: Start difference. First operand 126 states and 188 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 08:06:04,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:04,767 INFO L93 Difference]: Finished difference Result 318 states and 475 transitions. [2023-11-19 08:06:04,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:06:04,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2023-11-19 08:06:04,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:04,772 INFO L225 Difference]: With dead ends: 318 [2023-11-19 08:06:04,772 INFO L226 Difference]: Without dead ends: 195 [2023-11-19 08:06:04,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:06:04,776 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 132 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:04,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 08:06:04,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-19 08:06:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 130. [2023-11-19 08:06:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.4473684210526316) internal successors, (165), 114 states have internal predecessors, (165), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:06:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 193 transitions. [2023-11-19 08:06:04,812 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 193 transitions. Word has length 115 [2023-11-19 08:06:04,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:04,816 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 193 transitions. [2023-11-19 08:06:04,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 08:06:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 193 transitions. [2023-11-19 08:06:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 08:06:04,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:04,829 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:04,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-19 08:06:05,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:05,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:05,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:05,038 INFO L85 PathProgramCache]: Analyzing trace with hash 413192159, now seen corresponding path program 1 times [2023-11-19 08:06:05,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:06:05,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053082596] [2023-11-19 08:06:05,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:05,040 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:05,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:06:05,042 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:06:05,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 08:06:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:05,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 08:06:05,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:05,668 INFO L378 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 [2023-11-19 08:06:06,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 08:06:06,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:06:06,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:06:06,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:06:06,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:06:07,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:06:07,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:06:07,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 08:06:07,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 08:06:07,477 INFO L378 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 18 treesize of output 10 [2023-11-19 08:06:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 245 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-19 08:06:07,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:06:07,606 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_79 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_79) |c_~#BOOL_unsigned_char_Array_0~0.base|) |c_~#BOOL_unsigned_char_Array_0~0.offset|)) (_ bv0 8))) is different from false [2023-11-19 08:06:07,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:06:07,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053082596] [2023-11-19 08:06:07,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053082596] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:06:07,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [736327800] [2023-11-19 08:06:07,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:07,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 08:06:07,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 08:06:07,658 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 08:06:07,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 08:06:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:08,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 08:06:08,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:08,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-11-19 08:06:09,510 INFO L378 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 24 treesize of output 12 [2023-11-19 08:06:09,837 INFO L378 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 17 treesize of output 12 [2023-11-19 08:06:10,070 INFO L378 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 17 treesize of output 12 [2023-11-19 08:06:10,318 INFO L378 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 17 treesize of output 12 [2023-11-19 08:06:10,545 INFO L378 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 17 treesize of output 12 [2023-11-19 08:06:10,775 INFO L378 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 17 treesize of output 12 [2023-11-19 08:06:10,999 INFO L378 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 17 treesize of output 12 [2023-11-19 08:06:11,267 INFO L378 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 17 treesize of output 12 [2023-11-19 08:06:11,321 INFO L378 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 24 treesize of output 12 [2023-11-19 08:06:11,339 INFO L378 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 [2023-11-19 08:06:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 245 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-19 08:06:11,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:06:11,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [736327800] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:06:11,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:06:11,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2023-11-19 08:06:11,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218584134] [2023-11-19 08:06:11,496 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:06:11,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-19 08:06:11,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:06:11,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-19 08:06:11,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=351, Unknown=18, NotChecked=40, Total=506 [2023-11-19 08:06:11,500 INFO L87 Difference]: Start difference. First operand 130 states and 193 transitions. Second operand has 20 states, 18 states have (on average 6.0) internal successors, (108), 19 states have internal predecessors, (108), 10 states have call successors, (28), 8 states have call predecessors, (28), 10 states have return successors, (28), 8 states have call predecessors, (28), 10 states have call successors, (28) [2023-11-19 08:06:12,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:12,967 INFO L93 Difference]: Finished difference Result 265 states and 390 transitions. [2023-11-19 08:06:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 08:06:12,969 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 6.0) internal successors, (108), 19 states have internal predecessors, (108), 10 states have call successors, (28), 8 states have call predecessors, (28), 10 states have return successors, (28), 8 states have call predecessors, (28), 10 states have call successors, (28) Word has length 117 [2023-11-19 08:06:12,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:12,976 INFO L225 Difference]: With dead ends: 265 [2023-11-19 08:06:12,976 INFO L226 Difference]: Without dead ends: 138 [2023-11-19 08:06:12,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 257 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=190, Invalid=547, Unknown=23, NotChecked=52, Total=812 [2023-11-19 08:06:12,985 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 421 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:12,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 292 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 08:06:12,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-19 08:06:13,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2023-11-19 08:06:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 117 states have (on average 1.4273504273504274) internal successors, (167), 117 states have internal predecessors, (167), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:06:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 195 transitions. [2023-11-19 08:06:13,026 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 195 transitions. Word has length 117 [2023-11-19 08:06:13,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:13,027 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 195 transitions. [2023-11-19 08:06:13,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 6.0) internal successors, (108), 19 states have internal predecessors, (108), 10 states have call successors, (28), 8 states have call predecessors, (28), 10 states have return successors, (28), 8 states have call predecessors, (28), 10 states have call successors, (28) [2023-11-19 08:06:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 195 transitions. [2023-11-19 08:06:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 08:06:13,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:13,031 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:13,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:06:13,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:06:13,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt [2023-11-19 08:06:13,441 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:13,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:13,442 INFO L85 PathProgramCache]: Analyzing trace with hash -603093863, now seen corresponding path program 1 times [2023-11-19 08:06:13,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:06:13,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677037288] [2023-11-19 08:06:13,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:13,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:13,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:06:13,445 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:06:13,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ea3deae-33a4-41de-bef6-535b1db220e1/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process