./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.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_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a633b68302485b97355fcc8c9ab86b75c4bb68dbf6f93417fd79b2d2487527c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:11:38,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:11:38,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:11:38,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:11:38,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:11:38,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:11:38,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:11:38,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:11:38,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:11:38,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:11:38,973 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:11:38,974 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:11:38,974 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:11:38,975 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:11:38,976 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:11:38,976 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:11:38,977 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:11:38,978 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:11:38,978 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:11:38,979 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:11:38,980 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:11:38,981 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:11:38,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:11:38,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:11:38,983 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:11:38,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:11:38,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:11:38,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:11:38,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:11:38,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:11:38,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:11:38,987 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:11:38,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:11:38,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:11:38,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:11:38,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:11:38,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:11:38,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:11:38,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:11:38,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:11:38,993 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:11:38,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:11:38,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:11:38,995 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:11:38,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:11:38,995 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a633b68302485b97355fcc8c9ab86b75c4bb68dbf6f93417fd79b2d2487527c [2023-11-19 04:11:39,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:11:39,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:11:39,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:11:39,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:11:39,397 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:11:39,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i [2023-11-19 04:11:42,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:11:42,789 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:11:42,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i [2023-11-19 04:11:42,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/data/97d189095/94bc4383a32045cb84dcbaee7314fd09/FLAG38ae3d469 [2023-11-19 04:11:42,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/data/97d189095/94bc4383a32045cb84dcbaee7314fd09 [2023-11-19 04:11:42,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:11:42,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:11:42,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:11:42,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:11:42,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:11:42,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:42" (1/1) ... [2023-11-19 04:11:42,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cd7c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:42, skipping insertion in model container [2023-11-19 04:11:42,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:42" (1/1) ... [2023-11-19 04:11:42,894 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:11:43,081 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_bdf3a361-0215-4092-826a-0acafa1124cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i[916,929] [2023-11-19 04:11:43,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:11:43,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:11:43,207 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_bdf3a361-0215-4092-826a-0acafa1124cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i[916,929] [2023-11-19 04:11:43,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:11:43,297 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:11:43,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43 WrapperNode [2023-11-19 04:11:43,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:11:43,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:11:43,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:11:43,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:11:43,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,382 INFO L138 Inliner]: procedures = 29, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 386 [2023-11-19 04:11:43,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:11:43,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:11:43,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:11:43,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:11:43,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:11:43,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:11:43,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:11:43,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:11:43,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:11:43,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:11:43,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:11:43,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:11:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:11:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:11:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:11:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:11:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:11:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:11:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:11:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:11:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:11:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:11:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:11:43,688 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:11:43,691 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:11:44,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:11:45,069 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:11:45,069 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:11:45,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:45 BoogieIcfgContainer [2023-11-19 04:11:45,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:11:45,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:11:45,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:11:45,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:11:45,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:11:42" (1/3) ... [2023-11-19 04:11:45,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e33ffe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:45, skipping insertion in model container [2023-11-19 04:11:45,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (2/3) ... [2023-11-19 04:11:45,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e33ffe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:45, skipping insertion in model container [2023-11-19 04:11:45,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:45" (3/3) ... [2023-11-19 04:11:45,089 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-46.i [2023-11-19 04:11:45,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:11:45,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:11:45,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:11:45,181 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=FINITE_AUTOMATA, 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;@4afdab2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:11:45,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:11:45,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 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 04:11:45,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:11:45,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:45,199 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 04:11:45,199 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:45,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:45,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1093597017, now seen corresponding path program 1 times [2023-11-19 04:11:45,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:45,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798064714] [2023-11-19 04:11:45,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:45,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:11:45,492 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:11:45,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130816395] [2023-11-19 04:11:45,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:45,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:11:45,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:11:45,496 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:11:45,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:11:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:11:46,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:11:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:11:47,741 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:11:47,744 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:11:47,745 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:11:47,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:11:47,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:11:47,970 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:11:47,974 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:11:48,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-19 04:11:48,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-19 04:11:48,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-19 04:11:48,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 04:11:48,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-19 04:11:48,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-19 04:11:48,096 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-19 04:11:48,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-19 04:11:48,100 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-19 04:11:48,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-19 04:11:48,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-19 04:11:48,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-19 04:11:48,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 04:11:48,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-19 04:11:48,111 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 04:11:48,113 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 04:11:48,114 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-19 04:11:48,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-19 04:11:48,118 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 04:11:48,119 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-19 04:11:48,120 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 04:11:48,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 04:11:48,124 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 04:11:48,126 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 04:11:48,127 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 04:11:48,129 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 04:11:48,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 04:11:48,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 04:11:48,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 04:11:48,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 04:11:48,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:11:48,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:11:48,137 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 04:11:48,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 04:11:48,139 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:11:48,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:11:48,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 04:11:48,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 04:11:48,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 04:11:48,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 04:11:48,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:11:48 BoogieIcfgContainer [2023-11-19 04:11:48,174 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:11:48,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:11:48,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:11:48,175 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:11:48,177 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:45" (3/4) ... [2023-11-19 04:11:48,180 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:11:48,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:11:48,184 INFO L158 Benchmark]: Toolchain (without parser) took 5348.60ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 88.8MB in the beginning and 110.5MB in the end (delta: -21.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-19 04:11:48,185 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 65.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:11:48,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.45ms. Allocated memory is still 132.1MB. Free memory was 88.8MB in the beginning and 75.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:11:48,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.68ms. Allocated memory is still 132.1MB. Free memory was 75.1MB in the beginning and 72.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:11:48,194 INFO L158 Benchmark]: Boogie Preprocessor took 48.98ms. Allocated memory is still 132.1MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:11:48,196 INFO L158 Benchmark]: RCFGBuilder took 1641.24ms. Allocated memory is still 132.1MB. Free memory was 69.4MB in the beginning and 97.2MB in the end (delta: -27.9MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-19 04:11:48,196 INFO L158 Benchmark]: TraceAbstraction took 3096.80ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 96.2MB in the beginning and 110.5MB in the end (delta: -14.3MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2023-11-19 04:11:48,197 INFO L158 Benchmark]: Witness Printer took 8.02ms. Allocated memory is still 169.9MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:11:48,201 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 65.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.45ms. Allocated memory is still 132.1MB. Free memory was 88.8MB in the beginning and 75.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.68ms. Allocated memory is still 132.1MB. Free memory was 75.1MB in the beginning and 72.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.98ms. Allocated memory is still 132.1MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1641.24ms. Allocated memory is still 132.1MB. Free memory was 69.4MB in the beginning and 97.2MB in the end (delta: -27.9MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3096.80ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 96.2MB in the beginning and 110.5MB in the end (delta: -14.3MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * Witness Printer took 8.02ms. Allocated memory is still 169.9MB. Free memory is still 110.5MB. 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~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 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 someBinaryDOUBLEComparisonOperation at line 56, overapproximation of bitwiseOr at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char* var_1_1_Pointer = &(var_1_1); [L24] double var_1_2 = 31.75; [L25] double* var_1_2_Pointer = &(var_1_2); [L26] signed char var_1_4 = -8; [L27] signed char* var_1_4_Pointer = &(var_1_4); [L28] unsigned char var_1_6 = 0; [L29] unsigned char* var_1_6_Pointer = &(var_1_6); [L30] unsigned char var_1_7 = 0; [L31] unsigned char* var_1_7_Pointer = &(var_1_7); [L32] unsigned char var_1_8 = 1; [L33] unsigned char* var_1_8_Pointer = &(var_1_8); [L34] unsigned char var_1_9 = 1; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] signed short int var_1_10 = -4; [L37] signed short int* var_1_10_Pointer = &(var_1_10); [L38] signed short int var_1_12 = 32; [L39] signed short int* var_1_12_Pointer = &(var_1_12); [L40] signed char var_1_13 = -25; [L41] signed char* var_1_13_Pointer = &(var_1_13); [L42] signed char var_1_16 = 4; [L43] signed char* var_1_16_Pointer = &(var_1_16); [L44] unsigned char last_1_var_1_1 = 1; [L45] signed short int last_1_var_1_10 = -4; [L115] isInitial = 1 [L116] FCALL initially() [L117] COND TRUE 1 [L118] CALL updateLastVariables() [L107] EXPR \read(var_1_1) [L107] last_1_var_1_1 = var_1_1 [L108] EXPR \read(var_1_10) [L108] last_1_var_1_10 = var_1_10 [L118] RET updateLastVariables() [L119] CALL updateVariables() [L84] var_1_2 = __VERIFIER_nondet_double() [L85] EXPR \read(var_1_2) [L85] EXPR var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F [L85] EXPR \read(var_1_2) [L85] EXPR var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F [L85] EXPR (var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] var_1_4 = __VERIFIER_nondet_char() [L87] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] var_1_6 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] var_1_7 = __VERIFIER_nondet_uchar() [L94] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] var_1_9 = __VERIFIER_nondet_uchar() [L97] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] var_1_12 = __VERIFIER_nondet_short() [L100] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] var_1_16 = __VERIFIER_nondet_char() [L103] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L119] RET updateVariables() [L120] CALL step() [L49] EXPR \read(*var_1_12_Pointer) [L49] EXPR \read(*var_1_4_Pointer) [L49] COND FALSE !(last_1_var_1_10 <= ((*(var_1_12_Pointer)) / (*(var_1_4_Pointer)))) [L54] EXPR \read(*var_1_4_Pointer) [L54] EXPR \read(*var_1_13_Pointer) [L54] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))) [L54] EXPR \read(*var_1_4_Pointer) [L54] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))) [L54] signed long int stepLocal_1 = ((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer)))); [L55] EXPR \read(*var_1_13_Pointer) [L55] EXPR \read(*var_1_4_Pointer) [L55] signed long int stepLocal_0 = (*(var_1_13_Pointer)) / (*(var_1_4_Pointer)); [L56] EXPR \read(*var_1_2_Pointer) [L56] COND FALSE !((- (*(var_1_2_Pointer))) >= 16.75) [L71] (*(var_1_1_Pointer)) = 1 [L73] EXPR \read(*var_1_13_Pointer) [L73] signed char stepLocal_2 = (*(var_1_13_Pointer)); [L74] EXPR \read(*var_1_13_Pointer) [L74] EXPR \read(*var_1_13_Pointer) [L74] EXPR (*(var_1_13_Pointer)) | (*(var_1_13_Pointer)) [L74] EXPR \read(*var_1_4_Pointer) [L74] COND TRUE (((*(var_1_13_Pointer)) | (*(var_1_13_Pointer))) + (*(var_1_4_Pointer))) < stepLocal_2 [L75] EXPR \read(*var_1_12_Pointer) [L75] (*(var_1_10_Pointer)) = ((*(var_1_12_Pointer)) - 256) [L79] EXPR \read(*var_1_4_Pointer) [L79] COND FALSE !(1 == (*(var_1_4_Pointer))) [L120] RET step() [L121] CALL, EXPR property() [L111] EXPR \read(*var_1_2_Pointer) [L111] EXPR ((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1)) [L111] EXPR \read(*var_1_13_Pointer) [L111] EXPR \read(*var_1_4_Pointer) [L111] EXPR \read(*var_1_13_Pointer) [L111] EXPR (((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer))))) [L111] EXPR \read(*var_1_4_Pointer) [L111] EXPR \read(*var_1_13_Pointer) [L111] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))) [L111] EXPR \read(*var_1_4_Pointer) [L111] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))) [L111] EXPR ((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer))))) [L111] EXPR \read(*var_1_1_Pointer) [L111] EXPR ((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer))))) [L111] EXPR (((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer))))) [L111] EXPR ((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1)) [L111] EXPR (((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1))) && ((1 == (*(var_1_4_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned char) (*(var_1_9_Pointer)))) : 1) [L111] EXPR ((((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1))) && ((1 == (*(var_1_4_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned char) (*(var_1_9_Pointer)))) : 1)) && (((((*(var_1_13_Pointer)) | (*(var_1_13_Pointer))) + (*(var_1_4_Pointer))) < (*(var_1_13_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) - 256))) : ((*(var_1_10_Pointer)) == ((signed short int) 128))) [L111] EXPR (((((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1))) && ((1 == (*(var_1_4_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned char) (*(var_1_9_Pointer)))) : 1)) && (((((*(var_1_13_Pointer)) | (*(var_1_13_Pointer))) + (*(var_1_4_Pointer))) < (*(var_1_13_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) - 256))) : ((*(var_1_10_Pointer)) == ((signed short int) 128)))) && ((last_1_var_1_10 <= ((*(var_1_12_Pointer)) / (*(var_1_4_Pointer)))) ? (last_1_var_1_1 ? ((*(var_1_13_Pointer)) == ((signed char) (*(var_1_16_Pointer)))) : 1) : 1) [L111-L112] return (((((- (*(var_1_2_Pointer))) >= 16.75) ? ((((*(var_1_13_Pointer)) / (*(var_1_4_Pointer))) >= (*(var_1_13_Pointer))) ? (((((((*(var_1_4_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_13_Pointer))))) > -32) ? ((*(var_1_1_Pointer)) == ((unsigned char) 0)) : ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_6_Pointer)) || (*(var_1_7_Pointer)))))) : ((*(var_1_6_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned char) 1)) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_7_Pointer)))))) : ((*(var_1_1_Pointer)) == ((unsigned char) 1))) && ((1 == (*(var_1_4_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned char) (*(var_1_9_Pointer)))) : 1)) && (((((*(var_1_13_Pointer)) | (*(var_1_13_Pointer))) + (*(var_1_4_Pointer))) < (*(var_1_13_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed short int) ((*(var_1_12_Pointer)) - 256))) : ((*(var_1_10_Pointer)) == ((signed short int) 128)))) && ((last_1_var_1_10 <= ((*(var_1_12_Pointer)) / (*(var_1_4_Pointer)))) ? (last_1_var_1_1 ? ((*(var_1_13_Pointer)) == ((signed char) (*(var_1_16_Pointer)))) : 1) : 1) ; [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:11:48,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a633b68302485b97355fcc8c9ab86b75c4bb68dbf6f93417fd79b2d2487527c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:11:51,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:11:51,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:11:51,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:11:51,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:11:51,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:11:51,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:11:51,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:11:51,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:11:51,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:11:51,253 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:11:51,254 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:11:51,254 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:11:51,256 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:11:51,257 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:11:51,257 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:11:51,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:11:51,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:11:51,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:11:51,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:11:51,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:11:51,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:11:51,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:11:51,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:11:51,263 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:11:51,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:11:51,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:11:51,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:11:51,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:11:51,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:11:51,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:11:51,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:11:51,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:11:51,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:11:51,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:11:51,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:11:51,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:11:51,268 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:11:51,268 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:11:51,269 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:11:51,270 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:11:51,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:11:51,270 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a633b68302485b97355fcc8c9ab86b75c4bb68dbf6f93417fd79b2d2487527c [2023-11-19 04:11:51,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:11:51,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:11:51,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:11:51,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:11:51,782 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:11:51,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i [2023-11-19 04:11:54,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:11:55,245 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:11:55,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i [2023-11-19 04:11:55,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/data/daf48490e/b690fbd3674a4a2b889ef4de8f6bca66/FLAGc131a0a48 [2023-11-19 04:11:55,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/data/daf48490e/b690fbd3674a4a2b889ef4de8f6bca66 [2023-11-19 04:11:55,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:11:55,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:11:55,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:11:55,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:11:55,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:11:55,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607376d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55, skipping insertion in model container [2023-11-19 04:11:55,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:11:55,546 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_bdf3a361-0215-4092-826a-0acafa1124cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i[916,929] [2023-11-19 04:11:55,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:11:55,639 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:11:55,662 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_bdf3a361-0215-4092-826a-0acafa1124cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i[916,929] [2023-11-19 04:11:55,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:11:55,753 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:11:55,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55 WrapperNode [2023-11-19 04:11:55,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:11:55,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:11:55,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:11:55,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:11:55,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,852 INFO L138 Inliner]: procedures = 33, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 362 [2023-11-19 04:11:55,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:11:55,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:11:55,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:11:55,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:11:55,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:11:55,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:11:55,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:11:55,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:11:55,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (1/1) ... [2023-11-19 04:11:55,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:11:55,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:11:55,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:11:56,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:11:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:11:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 04:11:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 04:11:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:11:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:11:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:11:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 04:11:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:11:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:11:56,043 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:11:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:11:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:11:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:11:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:11:56,182 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:11:56,185 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:11:56,987 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:11:56,997 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:11:56,997 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:11:57,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:57 BoogieIcfgContainer [2023-11-19 04:11:57,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:11:57,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:11:57,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:11:57,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:11:57,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:11:55" (1/3) ... [2023-11-19 04:11:57,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2648ea93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:57, skipping insertion in model container [2023-11-19 04:11:57,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:55" (2/3) ... [2023-11-19 04:11:57,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2648ea93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:57, skipping insertion in model container [2023-11-19 04:11:57,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:57" (3/3) ... [2023-11-19 04:11:57,013 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-46.i [2023-11-19 04:11:57,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:11:57,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:11:57,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:11:57,099 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=FINITE_AUTOMATA, 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;@13addc73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:11:57,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:11:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 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 04:11:57,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 04:11:57,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:57,122 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] [2023-11-19 04:11:57,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:57,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:57,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1562789831, now seen corresponding path program 1 times [2023-11-19 04:11:57,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:11:57,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143336975] [2023-11-19 04:11:57,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:57,146 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 04:11:57,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:11:57,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:11:57,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:11:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:57,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:11:57,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:11:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-19 04:11:57,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:11:57,717 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:11:57,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143336975] [2023-11-19 04:11:57,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143336975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:57,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:57,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:11:57,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943733025] [2023-11-19 04:11:57,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:57,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:11:57,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:11:57,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:11:57,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:11:57,783 INFO L87 Difference]: Start difference. First operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 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 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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 04:11:57,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:57,836 INFO L93 Difference]: Finished difference Result 179 states and 278 transitions. [2023-11-19 04:11:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:11:57,838 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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 114 [2023-11-19 04:11:57,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:57,849 INFO L225 Difference]: With dead ends: 179 [2023-11-19 04:11:57,849 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 04:11:57,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 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 04:11:57,858 INFO L413 NwaCegarLoop]: 128 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, 128 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 04:11:57,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:11:57,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 04:11:57,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-19 04:11:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 73 states have (on average 1.36986301369863) internal successors, (100), 73 states have internal predecessors, (100), 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 04:11:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2023-11-19 04:11:57,933 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 114 [2023-11-19 04:11:57,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:57,934 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2023-11-19 04:11:57,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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 04:11:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2023-11-19 04:11:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 04:11:57,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:57,944 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] [2023-11-19 04:11:57,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:11:58,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:11:58,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:58,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:58,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1549152171, now seen corresponding path program 1 times [2023-11-19 04:11:58,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:11:58,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310002188] [2023-11-19 04:11:58,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:58,154 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 04:11:58,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:11:58,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:11:58,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:11:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:58,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:11:58,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:11:59,595 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 12 treesize of output 8 [2023-11-19 04:11:59,652 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 04:11:59,726 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 37 treesize of output 25 [2023-11-19 04:11:59,759 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 04:11:59,760 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:11:59,760 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:11:59,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310002188] [2023-11-19 04:11:59,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310002188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:59,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:59,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 04:11:59,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910978985] [2023-11-19 04:11:59,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:59,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 04:11:59,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:11:59,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 04:11:59,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:11:59,768 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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 04:12:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:00,815 INFO L93 Difference]: Finished difference Result 227 states and 327 transitions. [2023-11-19 04:12:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:12:00,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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 114 [2023-11-19 04:12:00,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:00,821 INFO L225 Difference]: With dead ends: 227 [2023-11-19 04:12:00,821 INFO L226 Difference]: Without dead ends: 141 [2023-11-19 04:12:00,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-19 04:12:00,824 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 191 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:00,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 417 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 04:12:00,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-19 04:12:00,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 97. [2023-11-19 04:12:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 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 04:12:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-11-19 04:12:00,851 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 114 [2023-11-19 04:12:00,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:00,856 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-11-19 04:12:00,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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 04:12:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-11-19 04:12:00,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 04:12:00,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:00,865 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] [2023-11-19 04:12:00,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:12:01,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:12:01,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:01,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:01,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2135958185, now seen corresponding path program 1 times [2023-11-19 04:12:01,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:01,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645351987] [2023-11-19 04:12:01,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:01,077 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 04:12:01,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:01,083 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:12:01,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:12:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:01,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:12:01,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:02,133 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 04:12:02,981 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 04:12:04,170 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 04:12:04,810 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 04:12:05,347 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 04:12:05,782 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 04:12:06,120 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 04:12:06,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2023-11-19 04:12:06,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2023-11-19 04:12:06,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-11-19 04:12:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 04:12:07,027 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:12:07,152 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_70 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_70) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (_ bv1 32)))) is different from false [2023-11-19 04:12:07,610 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:07,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645351987] [2023-11-19 04:12:07,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645351987] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:12:07,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [928375389] [2023-11-19 04:12:07,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:07,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:12:07,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:12:07,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:12:07,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 04:12:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:08,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:12:08,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:09,611 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 12 treesize of output 8 [2023-11-19 04:12:09,722 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 04:12:09,810 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 04:12:09,915 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 37 treesize of output 25 [2023-11-19 04:12:10,040 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 04:12:10,040 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:10,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [928375389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:10,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 04:12:10,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2023-11-19 04:12:10,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892389374] [2023-11-19 04:12:10,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:10,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 04:12:10,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:10,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 04:12:10,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=534, Unknown=16, NotChecked=48, Total=702 [2023-11-19 04:12:10,044 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 04:12:11,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:11,072 INFO L93 Difference]: Finished difference Result 239 states and 343 transitions. [2023-11-19 04:12:11,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:12:11,073 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 114 [2023-11-19 04:12:11,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:11,075 INFO L225 Difference]: With dead ends: 239 [2023-11-19 04:12:11,076 INFO L226 Difference]: Without dead ends: 145 [2023-11-19 04:12:11,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=134, Invalid=724, Unknown=16, NotChecked=56, Total=930 [2023-11-19 04:12:11,078 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 163 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:11,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 377 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 04:12:11,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-19 04:12:11,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 97. [2023-11-19 04:12:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 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 04:12:11,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-11-19 04:12:11,093 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 114 [2023-11-19 04:12:11,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:11,094 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-11-19 04:12:11,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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 04:12:11,094 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-11-19 04:12:11,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 04:12:11,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:11,096 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] [2023-11-19 04:12:11,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 04:12:11,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:12:11,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:12:11,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:11,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:11,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1403551494, now seen corresponding path program 1 times [2023-11-19 04:12:11,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:11,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798060313] [2023-11-19 04:12:11,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:11,506 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 04:12:11,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:11,508 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:12:11,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:12:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:11,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:12:11,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:11,819 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 19 treesize of output 11 [2023-11-19 04:12:11,946 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 04:12:11,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:11,946 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:11,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798060313] [2023-11-19 04:12:11,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798060313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:11,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:11,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:12:11,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681456655] [2023-11-19 04:12:11,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:11,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:12:11,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:11,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:12:11,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:12:11,953 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 04:12:15,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:15,685 INFO L93 Difference]: Finished difference Result 251 states and 359 transitions. [2023-11-19 04:12:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:12:15,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 116 [2023-11-19 04:12:15,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:15,689 INFO L225 Difference]: With dead ends: 251 [2023-11-19 04:12:15,689 INFO L226 Difference]: Without dead ends: 157 [2023-11-19 04:12:15,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:12:15,691 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 92 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:15,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 369 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-19 04:12:15,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-19 04:12:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 115. [2023-11-19 04:12:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 99 states have internal predecessors, (137), 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 04:12:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 165 transitions. [2023-11-19 04:12:15,715 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 165 transitions. Word has length 116 [2023-11-19 04:12:15,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:15,716 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 165 transitions. [2023-11-19 04:12:15,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 04:12:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2023-11-19 04:12:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 04:12:15,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:15,719 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] [2023-11-19 04:12:15,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:12:15,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:12:15,924 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:15,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:15,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1010524484, now seen corresponding path program 1 times [2023-11-19 04:12:15,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:15,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269517280] [2023-11-19 04:12:15,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:15,928 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 04:12:15,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:15,932 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:12:15,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 (7)] Waiting until timeout for monitored process [2023-11-19 04:12:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:16,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:12:16,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:16,249 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 04:12:16,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:16,250 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:16,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269517280] [2023-11-19 04:12:16,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269517280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:16,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:16,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:12:16,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584220874] [2023-11-19 04:12:16,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:16,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:12:16,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:16,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:12:16,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:12:16,253 INFO L87 Difference]: Start difference. First operand 115 states and 165 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 04:12:16,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:16,330 INFO L93 Difference]: Finished difference Result 239 states and 344 transitions. [2023-11-19 04:12:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:12:16,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 116 [2023-11-19 04:12:16,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:16,332 INFO L225 Difference]: With dead ends: 239 [2023-11-19 04:12:16,332 INFO L226 Difference]: Without dead ends: 127 [2023-11-19 04:12:16,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:12:16,334 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 36 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:16,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 500 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:12:16,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-19 04:12:16,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 118. [2023-11-19 04:12:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 102 states have (on average 1.3725490196078431) internal successors, (140), 102 states have internal predecessors, (140), 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 04:12:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 168 transitions. [2023-11-19 04:12:16,359 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 168 transitions. Word has length 116 [2023-11-19 04:12:16,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:16,364 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 168 transitions. [2023-11-19 04:12:16,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 04:12:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 168 transitions. [2023-11-19 04:12:16,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 04:12:16,366 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:16,366 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] [2023-11-19 04:12:16,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:12:16,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:12:16,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:16,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:16,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1611552124, now seen corresponding path program 1 times [2023-11-19 04:12:16,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:16,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664120174] [2023-11-19 04:12:16,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:16,576 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 04:12:16,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:16,577 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 04:12:16,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/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 (8)] Waiting until timeout for monitored process [2023-11-19 04:12:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:16,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:12:16,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:17,353 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 04:12:17,933 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 04:12:18,803 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 04:12:19,353 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 04:12:19,805 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 04:12:20,186 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 04:12:20,590 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 04:12:21,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2023-11-19 04:12:21,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2023-11-19 04:12:21,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-11-19 04:12:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 04:12:21,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:12:21,406 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_162 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_10_Pointer~0.base v_ArrVal_162) c_~var_1_4_Pointer~0.base) c_~var_1_4_Pointer~0.offset))) (_ bv1 32)))) is different from false [2023-11-19 04:12:21,802 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:21,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664120174] [2023-11-19 04:12:21,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664120174] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:12:21,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1066514037] [2023-11-19 04:12:21,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:21,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:12:21,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:12:21,803 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:12:21,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf3a361-0215-4092-826a-0acafa1124cc/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 04:12:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:22,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:12:22,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:23,124 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 04:12:24,167 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 04:12:25,503 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 8 treesize of output 1 [2023-11-19 04:12:26,345 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 8 treesize of output 1 [2023-11-19 04:12:27,003 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 8 treesize of output 1 [2023-11-19 04:12:27,695 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 12 treesize of output 8 [2023-11-19 04:12:28,742 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 26 treesize of output 19 [2023-11-19 04:12:31,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2023-11-19 04:12:32,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2023-11-19 04:12:34,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 27