./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire --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 08a905a57e2510263318b707c70f3b678c7204182c8cd0b9b57e46d4fa7b9fa2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:22,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:22,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:15:22,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:22,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:22,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:22,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:22,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:22,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:22,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:22,600 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:22,600 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:22,601 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:22,601 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:22,602 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:22,602 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:22,603 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:22,604 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:22,604 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:22,605 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:22,606 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:22,606 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:22,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:22,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:22,608 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:22,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:22,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:22,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:22,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:22,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:22,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:22,611 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:22,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:22,612 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:22,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:22,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:22,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:22,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:22,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:22,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:22,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:22,628 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:22,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:22,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:22,629 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:22,629 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:22,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:22,630 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_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08a905a57e2510263318b707c70f3b678c7204182c8cd0b9b57e46d4fa7b9fa2 [2023-11-23 21:15:22,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:22,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:22,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:22,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:22,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:22,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i [2023-11-23 21:15:26,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:26,354 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:26,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i [2023-11-23 21:15:26,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/data/c68add5dd/1f822ace827c4550a82c7890df71791e/FLAG4e365759f [2023-11-23 21:15:26,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/data/c68add5dd/1f822ace827c4550a82c7890df71791e [2023-11-23 21:15:26,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:26,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:26,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:26,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:26,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:26,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1dc269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26, skipping insertion in model container [2023-11-23 21:15:26,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:26,623 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_dce32831-5af8-4220-b4f8-ec9b46ba70c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i[916,929] [2023-11-23 21:15:26,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:26,690 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:26,703 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_dce32831-5af8-4220-b4f8-ec9b46ba70c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i[916,929] [2023-11-23 21:15:26,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:26,767 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:26,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26 WrapperNode [2023-11-23 21:15:26,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:26,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:26,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:26,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:26,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,845 INFO L138 Inliner]: procedures = 29, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 385 [2023-11-23 21:15:26,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:26,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:26,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:26,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:26,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:26,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:26,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:26,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:26,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (1/1) ... [2023-11-23 21:15:26,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:26,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:27,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:27,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:15:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:15:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:15:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:15:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:15:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:27,271 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:27,276 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:27,813 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:28,439 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:28,439 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:28,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:28 BoogieIcfgContainer [2023-11-23 21:15:28,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:28,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:28,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:28,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:28,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:26" (1/3) ... [2023-11-23 21:15:28,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51991c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:28, skipping insertion in model container [2023-11-23 21:15:28,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:26" (2/3) ... [2023-11-23 21:15:28,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51991c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:28, skipping insertion in model container [2023-11-23 21:15:28,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:28" (3/3) ... [2023-11-23 21:15:28,451 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-31.i [2023-11-23 21:15:28,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:28,471 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:28,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:28,525 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;@36ef72fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:28,526 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:28,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:15:28,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 21:15:28,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:28,539 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:28,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:28,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:28,546 INFO L85 PathProgramCache]: Analyzing trace with hash -94546090, now seen corresponding path program 1 times [2023-11-23 21:15:28,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:28,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8493081] [2023-11-23 21:15:28,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:28,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:28,772 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:15:28,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327692962] [2023-11-23 21:15:28,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:28,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:28,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:28,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:28,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:15:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:29,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:15:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:15:30,240 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:15:30,242 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:15:30,244 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:15:30,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:15:30,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:15:30,469 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:15:30,473 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:15:30,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-23 21:15:30,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-23 21:15:30,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-23 21:15:30,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-23 21:15:30,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 21:15:30,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 21:15:30,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:15:30,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:15:30,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:15:30,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:15:30,576 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:15:30,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:15:30,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-23 21:15:30,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-23 21:15:30,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:15:30,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:15:30,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 21:15:30,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 21:15:30,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 21:15:30,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 21:15:30,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-23 21:15:30,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-23 21:15:30,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-23 21:15:30,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:15:30,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-23 21:15:30,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:15:30,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:15:30,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:15:30,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-23 21:15:30,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-23 21:15:30,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:15:30,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-23 21:15:30,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-23 21:15:30,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:15:30,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:15:30 BoogieIcfgContainer [2023-11-23 21:15:30,644 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:15:30,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:15:30,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:15:30,645 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:15:30,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:28" (3/4) ... [2023-11-23 21:15:30,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:15:30,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:15:30,650 INFO L158 Benchmark]: Toolchain (without parser) took 4233.62ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 126.7MB in the beginning and 135.0MB in the end (delta: -8.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-23 21:15:30,651 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:30,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.91ms. Allocated memory is still 157.3MB. Free memory was 126.7MB in the beginning and 112.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:15:30,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.24ms. Allocated memory is still 157.3MB. Free memory was 112.9MB in the beginning and 110.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:30,655 INFO L158 Benchmark]: Boogie Preprocessor took 74.66ms. Allocated memory is still 157.3MB. Free memory was 110.1MB in the beginning and 107.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:30,657 INFO L158 Benchmark]: RCFGBuilder took 1518.95ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 107.3MB in the beginning and 123.3MB in the end (delta: -16.0MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2023-11-23 21:15:30,658 INFO L158 Benchmark]: TraceAbstraction took 2200.67ms. Allocated memory is still 188.7MB. Free memory was 122.3MB in the beginning and 135.0MB in the end (delta: -12.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-23 21:15:30,659 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 188.7MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:30,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.91ms. Allocated memory is still 157.3MB. Free memory was 126.7MB in the beginning and 112.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.24ms. Allocated memory is still 157.3MB. Free memory was 112.9MB in the beginning and 110.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.66ms. Allocated memory is still 157.3MB. Free memory was 110.1MB in the beginning and 107.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1518.95ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 107.3MB in the beginning and 123.3MB in the end (delta: -16.0MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2200.67ms. Allocated memory is still 188.7MB. Free memory was 122.3MB in the beginning and 135.0MB in the end (delta: -12.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 188.7MB. Free memory is still 135.0MB. 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~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 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~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 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~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 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~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 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~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 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 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 200; [L23] signed long int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 0; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] signed long int var_1_3 = 1107940323; [L27] signed long int* var_1_3_Pointer = &(var_1_3); [L28] unsigned char var_1_6 = 0; [L29] unsigned char* var_1_6_Pointer = &(var_1_6); [L30] signed long int var_1_7 = 4; [L31] signed long int* var_1_7_Pointer = &(var_1_7); [L32] signed long int var_1_8 = -32; [L33] signed long int* var_1_8_Pointer = &(var_1_8); [L34] unsigned char var_1_9 = 64; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] unsigned char var_1_12 = 4; [L37] unsigned char* var_1_12_Pointer = &(var_1_12); [L38] double var_1_13 = 0.97; [L39] double* var_1_13_Pointer = &(var_1_13); [L40] double var_1_14 = 32.6; [L41] double* var_1_14_Pointer = &(var_1_14); [L42] signed long int last_1_var_1_7 = 4; [L43] double last_1_var_1_13 = 0.97; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L102] EXPR \read(var_1_7) [L102] last_1_var_1_7 = var_1_7 [L103] EXPR \read(var_1_13) [L103] last_1_var_1_13 = var_1_13 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_uchar() [L84] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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}] [L84] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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) [L84] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_3 = __VERIFIER_nondet_long() [L87] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_3 >= 1073741822) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_3) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_3 <= 2147483646) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] var_1_6 = __VERIFIER_nondet_uchar() [L90] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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) [L90] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] var_1_8 = __VERIFIER_nondet_long() [L93] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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) [L93] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] var_1_12 = __VERIFIER_nondet_uchar() [L96] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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) [L96] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_12 <= 254) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] var_1_14 = __VERIFIER_nondet_double() [L99] EXPR \read(var_1_14) [L99] EXPR var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F [L99] EXPR \read(var_1_14) [L99] EXPR var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F [L99] EXPR (var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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) [L99] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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}] [L114] RET updateVariables() [L115] CALL step() [L47] EXPR \read(*var_1_3_Pointer) [L47] EXPR \read(*var_1_8_Pointer) [L47] COND TRUE ! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7)) [L48] COND TRUE ((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13 [L49] EXPR \read(*var_1_6_Pointer) [L49] COND TRUE (*(var_1_6_Pointer)) [L50] EXPR \read(*var_1_12_Pointer) [L50] (*(var_1_9_Pointer)) = (*(var_1_12_Pointer)) [L56] EXPR \read(*var_1_9_Pointer) [L56] EXPR \read(*var_1_9_Pointer) [L56] COND FALSE !((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) [L59] EXPR \read(*var_1_9_Pointer) [L59] EXPR \read(*var_1_3_Pointer) [L59] (*(var_1_7_Pointer)) = ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))) [L61] EXPR \read(*var_1_9_Pointer) [L61] EXPR \read(*var_1_3_Pointer) [L61] EXPR \read(*var_1_9_Pointer) [L61] COND FALSE !(((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) [L72] EXPR \read(*var_1_14_Pointer) [L72] (*(var_1_13_Pointer)) = (*(var_1_14_Pointer)) [L74] EXPR \read(*var_1_2_Pointer) [L74] COND TRUE (*(var_1_2_Pointer)) [L75] EXPR \read(*var_1_3_Pointer) [L75] EXPR \read(*var_1_9_Pointer) [L75] EXPR \read(*var_1_9_Pointer) [L75] (*(var_1_1_Pointer)) = (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR \read(*var_1_2_Pointer) [L106] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1) [L106] EXPR \read(*var_1_1_Pointer) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1) [L106] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer)))))) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR ((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))) [L106] EXPR \read(*var_1_7_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR ((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))) [L106] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer)))))) [L106] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR \read(*var_1_8_Pointer) [L106] EXPR (! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) [L106] EXPR (((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1 [L106] EXPR (! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) [L106] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) [L106] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR (((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer)))) [L106] EXPR \read(*var_1_13_Pointer) [L106] EXPR \read(*var_1_14_Pointer) [L106] EXPR (((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer)))) [L106] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) [L106-L107] return ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_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, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 11, 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=31occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 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 [2023-11-23 21:15:30,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire --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 08a905a57e2510263318b707c70f3b678c7204182c8cd0b9b57e46d4fa7b9fa2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:33,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:33,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:15:33,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:33,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:33,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:33,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:33,481 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:33,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:33,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:33,483 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:33,484 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:33,484 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:33,485 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:33,486 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:33,486 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:33,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:33,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:33,489 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:15:33,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:15:33,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:33,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:33,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:33,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:33,493 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:15:33,494 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:15:33,494 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:15:33,495 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:15:33,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:33,496 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:33,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:33,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:15:33,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:33,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:33,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:33,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:33,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:33,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:33,502 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:15:33,502 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:33,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:33,503 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:33,503 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:33,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:33,504 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_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08a905a57e2510263318b707c70f3b678c7204182c8cd0b9b57e46d4fa7b9fa2 [2023-11-23 21:15:33,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:33,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:33,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:33,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:33,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:33,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i [2023-11-23 21:15:37,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:37,488 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:37,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i [2023-11-23 21:15:37,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/data/1cdf05270/d7f77478725b4bf9ae2bf38a8ff834d3/FLAGa423bc6ba [2023-11-23 21:15:37,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/data/1cdf05270/d7f77478725b4bf9ae2bf38a8ff834d3 [2023-11-23 21:15:37,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:37,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:37,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:37,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:37,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:37,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d9ffef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37, skipping insertion in model container [2023-11-23 21:15:37,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:37,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:37,765 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_dce32831-5af8-4220-b4f8-ec9b46ba70c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i[916,929] [2023-11-23 21:15:37,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:37,859 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:37,872 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_dce32831-5af8-4220-b4f8-ec9b46ba70c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i[916,929] [2023-11-23 21:15:37,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:37,951 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:37,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37 WrapperNode [2023-11-23 21:15:37,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:37,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:37,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:37,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:37,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,049 INFO L138 Inliner]: procedures = 33, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 383 [2023-11-23 21:15:38,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:38,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:38,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:38,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:38,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:38,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:38,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:38,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:38,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (1/1) ... [2023-11-23 21:15:38,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:38,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:38,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:38,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-23 21:15:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-23 21:15:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:15:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:15:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 21:15:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-23 21:15:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 21:15:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:38,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:15:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 21:15:38,362 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:38,363 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:39,204 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:39,266 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:39,267 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:39,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:39 BoogieIcfgContainer [2023-11-23 21:15:39,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:39,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:39,270 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:39,273 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:39,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:37" (1/3) ... [2023-11-23 21:15:39,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca16d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:39, skipping insertion in model container [2023-11-23 21:15:39,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:37" (2/3) ... [2023-11-23 21:15:39,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca16d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:39, skipping insertion in model container [2023-11-23 21:15:39,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:39" (3/3) ... [2023-11-23 21:15:39,277 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-31.i [2023-11-23 21:15:39,296 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:39,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:39,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:39,367 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;@39dd1fb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:39,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:39,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 66 states have (on average 1.5) internal successors, (99), 67 states have internal predecessors, (99), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:15:39,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 21:15:39,391 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:39,393 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:39,393 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:39,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:39,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1558983515, now seen corresponding path program 1 times [2023-11-23 21:15:39,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:39,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573766592] [2023-11-23 21:15:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:39,423 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 [2023-11-23 21:15:39,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:39,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:15:39,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:39,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:15:39,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-23 21:15:39,876 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:39,877 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:39,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573766592] [2023-11-23 21:15:39,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573766592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:39,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:39,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:39,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502879969] [2023-11-23 21:15:39,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:39,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:15:39,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:39,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:15:39,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:39,920 INFO L87 Difference]: Start difference. First operand has 80 states, 66 states have (on average 1.5) internal successors, (99), 67 states have internal predecessors, (99), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 21:15:39,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:39,999 INFO L93 Difference]: Finished difference Result 154 states and 246 transitions. [2023-11-23 21:15:40,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:15:40,004 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2023-11-23 21:15:40,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:40,014 INFO L225 Difference]: With dead ends: 154 [2023-11-23 21:15:40,014 INFO L226 Difference]: Without dead ends: 75 [2023-11-23 21:15:40,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:40,025 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:40,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:15:40,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-23 21:15:40,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-23 21:15:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 states have internal predecessors, (87), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:15:40,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2023-11-23 21:15:40,088 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 89 [2023-11-23 21:15:40,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:40,089 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2023-11-23 21:15:40,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 21:15:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2023-11-23 21:15:40,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 21:15:40,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:40,099 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:40,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:40,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:40,306 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:40,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:40,307 INFO L85 PathProgramCache]: Analyzing trace with hash 268976685, now seen corresponding path program 1 times [2023-11-23 21:15:40,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:40,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291360451] [2023-11-23 21:15:40,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:40,308 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 [2023-11-23 21:15:40,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:40,310 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:15:40,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:40,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:15:40,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:40,690 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 [2023-11-23 21:15:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 21:15:40,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:40,721 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:40,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291360451] [2023-11-23 21:15:40,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291360451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:40,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:40,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:40,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754201742] [2023-11-23 21:15:40,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:40,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:40,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:40,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:40,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:40,725 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 21:15:40,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:40,787 INFO L93 Difference]: Finished difference Result 149 states and 217 transitions. [2023-11-23 21:15:40,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:40,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 89 [2023-11-23 21:15:40,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:40,789 INFO L225 Difference]: With dead ends: 149 [2023-11-23 21:15:40,790 INFO L226 Difference]: Without dead ends: 75 [2023-11-23 21:15:40,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:40,792 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:40,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:15:40,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-23 21:15:40,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-23 21:15:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 62 states have internal predecessors, (86), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:15:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 108 transitions. [2023-11-23 21:15:40,804 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 108 transitions. Word has length 89 [2023-11-23 21:15:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:40,806 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 108 transitions. [2023-11-23 21:15:40,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 21:15:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2023-11-23 21:15:40,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 21:15:40,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:40,808 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:40,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:41,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:41,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:41,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash -752091669, now seen corresponding path program 1 times [2023-11-23 21:15:41,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:41,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391658824] [2023-11-23 21:15:41,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:41,018 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 [2023-11-23 21:15:41,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:41,019 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:15:41,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:41,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-23 21:15:41,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:43,770 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 16 treesize of output 11 [2023-11-23 21:15:44,490 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 16 treesize of output 11 [2023-11-23 21:15:45,033 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 16 treesize of output 11 [2023-11-23 21:15:45,474 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 16 treesize of output 11 [2023-11-23 21:15:45,814 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 16 treesize of output 11 [2023-11-23 21:15:45,877 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 16 treesize of output 11 [2023-11-23 21:15:45,978 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 16 treesize of output 11 [2023-11-23 21:15:46,061 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 34 treesize of output 32 [2023-11-23 21:15:46,487 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 203 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 21:15:46,487 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:47,102 WARN L854 $PredicateComparison]: unable to prove that (forall ((~var_1_1_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_73 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~var_1_13_Pointer~0.base v_ArrVal_73))) (let ((.cse0 (bvadd (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))) (select (select .cse2 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset)))) (= .cse0 (let ((.cse1 (store .cse2 c_~var_1_1_Pointer~0.base (store (select .cse2 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse0)))) (bvadd (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))) (select (select .cse1 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset))))))) is different from false [2023-11-23 21:15:47,254 WARN L854 $PredicateComparison]: unable to prove that (forall ((~var_1_1_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_73 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_72 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| c_~var_1_7_Pointer~0.base v_ArrVal_72) c_~var_1_13_Pointer~0.base v_ArrVal_73))) (let ((.cse0 (bvadd (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))) (select (select .cse2 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset)))) (= .cse0 (let ((.cse1 (store .cse2 c_~var_1_1_Pointer~0.base (store (select .cse2 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse0)))) (bvadd (select (select .cse1 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset) (bvmul (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset)))) (_ bv2 32)))))))) is different from false [2023-11-23 21:15:47,346 WARN L854 $PredicateComparison]: unable to prove that (forall ((~var_1_9_Pointer~0.offset (_ BitVec 32)) (~var_1_1_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_73 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_72 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store |c_#memory_int| c_~var_1_7_Pointer~0.base v_ArrVal_72) c_~var_1_13_Pointer~0.base v_ArrVal_73))) (let ((.cse2 (bvadd (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset))))) (select (select .cse1 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset)))) (= (let ((.cse0 (store .cse1 c_~var_1_1_Pointer~0.base (store (select .cse1 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse2)))) (bvadd (select (select .cse0 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset) (bvmul (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset)))) (_ bv2 32)))) .cse2)))) is different from false [2023-11-23 21:15:47,523 WARN L854 $PredicateComparison]: unable to prove that (forall ((~var_1_9_Pointer~0.offset (_ BitVec 32)) (~var_1_1_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_73 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_72 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_71 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store (store |c_#memory_int| c_~var_1_9_Pointer~0.base v_ArrVal_71) c_~var_1_7_Pointer~0.base v_ArrVal_72) c_~var_1_13_Pointer~0.base v_ArrVal_73))) (let ((.cse2 (bvadd (select (select .cse1 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset) (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset)))))))) (= (let ((.cse0 (store .cse1 c_~var_1_1_Pointer~0.base (store (select .cse1 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse2)))) (bvadd (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset))))) (select (select .cse0 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset))) .cse2)))) is different from false [2023-11-23 21:15:47,687 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:47,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391658824] [2023-11-23 21:15:47,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391658824] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:15:47,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2144007939] [2023-11-23 21:15:47,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:47,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:47,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:15:47,691 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:15:47,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:15:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:48,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-23 21:15:48,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:49,716 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 [2023-11-23 21:15:50,982 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 16 treesize of output 11 [2023-11-23 21:15:51,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-23 21:15:52,265 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 16 treesize of output 11 [2023-11-23 21:15:52,772 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 16 treesize of output 11 [2023-11-23 21:15:53,139 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 23 treesize of output 11 [2023-11-23 21:15:53,196 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 16 treesize of output 11 [2023-11-23 21:15:53,314 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 16 treesize of output 11 [2023-11-23 21:15:53,429 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 34 treesize of output 32 [2023-11-23 21:15:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 203 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 21:15:53,711 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:53,911 WARN L854 $PredicateComparison]: unable to prove that (forall ((~var_1_1_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_105 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~var_1_13_Pointer~0.base v_ArrVal_105))) (let ((.cse0 (bvadd (select (select .cse2 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset) (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset)))))))) (= .cse0 (let ((.cse1 (store .cse2 c_~var_1_1_Pointer~0.base (store (select .cse2 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse0)))) (bvadd (select (select .cse1 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset) (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))))))))) is different from false [2023-11-23 21:15:54,016 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_104 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_1_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_105 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store (store |c_#memory_int| c_~var_1_7_Pointer~0.base v_ArrVal_104) c_~var_1_13_Pointer~0.base v_ArrVal_105))) (let ((.cse2 (bvadd (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))) (select (select .cse1 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset)))) (= (let ((.cse0 (store .cse1 c_~var_1_1_Pointer~0.base (store (select .cse1 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse2)))) (bvadd (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse0 c_~var_1_9_Pointer~0.base) c_~var_1_9_Pointer~0.offset))))) (select (select .cse0 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset))) .cse2)))) is different from false [2023-11-23 21:15:54,136 WARN L854 $PredicateComparison]: unable to prove that (forall ((~var_1_9_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_104 (Array (_ BitVec 32) (_ BitVec 32))) (~var_1_1_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_102 (_ BitVec 32)) (v_ArrVal_105 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store (store |c_#memory_int| c_~var_1_9_Pointer~0.base (store (select |c_#memory_int| c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset v_ArrVal_102)) c_~var_1_7_Pointer~0.base v_ArrVal_104) c_~var_1_13_Pointer~0.base v_ArrVal_105))) (let ((.cse0 (bvadd (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset))))) (select (select .cse2 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset)))) (= .cse0 (let ((.cse1 (store .cse2 c_~var_1_1_Pointer~0.base (store (select .cse2 c_~var_1_1_Pointer~0.base) ~var_1_1_Pointer~0.offset .cse0)))) (bvadd (select (select .cse1 c_~var_1_3_Pointer~0.base) c_~var_1_3_Pointer~0.offset) (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse1 c_~var_1_9_Pointer~0.base) ~var_1_9_Pointer~0.offset))))))))))) is different from false [2023-11-23 21:15:54,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2144007939] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:15:54,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526472161] [2023-11-23 21:15:54,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:54,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:54,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:54,249 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:54,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce32831-5af8-4220-b4f8-ec9b46ba70c4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:15:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:54,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 21:15:54,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:55,898 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 31 treesize of output 27 [2023-11-23 21:15:56,050 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 49 treesize of output 39 [2023-11-23 21:15:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-23 21:15:56,315 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:57,196 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-11-23 21:15:57,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 8291 treesize of output 7501 [2023-11-23 21:15:57,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:15:57,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1358 treesize of output 1254