./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91 --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 5d359503c0f6b7fead1204dfe760bfe51225f7e05671bbe3e92f7a9f7a51757d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:07:34,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:07:34,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:07:34,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:07:34,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:07:34,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:07:34,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:07:34,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:07:34,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:07:34,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:07:34,347 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:07:34,347 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:07:34,348 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:07:34,349 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:07:34,349 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:07:34,350 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:07:34,350 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:07:34,351 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:07:34,352 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:07:34,352 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:07:34,353 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:07:34,354 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:07:34,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:07:34,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:07:34,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:07:34,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:07:34,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:07:34,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:07:34,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:07:34,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:07:34,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:07:34,359 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:07:34,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:07:34,360 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:07:34,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:07:34,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:07:34,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:07:34,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:34,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:07:34,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:07:34,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:07:34,364 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:07:34,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:07:34,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:07:34,364 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:07:34,365 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:07:34,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:07:34,365 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_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d359503c0f6b7fead1204dfe760bfe51225f7e05671bbe3e92f7a9f7a51757d [2023-11-25 00:07:34,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:07:34,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:07:34,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:07:34,712 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:07:34,712 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:07:34,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i [2023-11-25 00:07:38,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:07:38,459 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:07:38,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i [2023-11-25 00:07:38,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/data/5f281ef62/2a702d90502840578883238b201e479d/FLAG7a42de1fa [2023-11-25 00:07:38,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/data/5f281ef62/2a702d90502840578883238b201e479d [2023-11-25 00:07:38,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:07:38,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:07:38,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:38,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:07:38,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:07:38,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:38" (1/1) ... [2023-11-25 00:07:38,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d8d6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:38, skipping insertion in model container [2023-11-25 00:07:38,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:38" (1/1) ... [2023-11-25 00:07:38,575 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:07:38,815 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_9cad2ecc-eb68-4071-ade4-7fae242c0df6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i[916,929] [2023-11-25 00:07:38,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:38,930 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:07:38,942 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_9cad2ecc-eb68-4071-ade4-7fae242c0df6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i[916,929] [2023-11-25 00:07:38,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:39,013 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:07:39,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39 WrapperNode [2023-11-25 00:07:39,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:39,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:07:39,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:07:39,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:07:39,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,108 INFO L138 Inliner]: procedures = 29, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 499 [2023-11-25 00:07:39,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:07:39,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:07:39,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:07:39,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:07:39,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:07:39,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:07:39,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:07:39,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:07:39,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (1/1) ... [2023-11-25 00:07:39,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:39,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:07:39,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:07:39,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:07:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:07:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:07:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:07:39,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:07:39,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:07:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:07:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:07:39,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:07:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:07:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:07:39,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:07:39,475 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:07:39,478 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:07:40,261 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:07:41,151 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:07:41,151 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:07:41,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:41 BoogieIcfgContainer [2023-11-25 00:07:41,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:07:41,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:07:41,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:07:41,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:07:41,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:07:38" (1/3) ... [2023-11-25 00:07:41,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3194cd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:41, skipping insertion in model container [2023-11-25 00:07:41,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:39" (2/3) ... [2023-11-25 00:07:41,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3194cd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:41, skipping insertion in model container [2023-11-25 00:07:41,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:41" (3/3) ... [2023-11-25 00:07:41,172 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-43.i [2023-11-25 00:07:41,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:07:41,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:07:41,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:07:41,286 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;@38721e2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:07:41,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:07:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-25 00:07:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-25 00:07:41,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:41,309 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:41,310 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:41,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:41,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1658433343, now seen corresponding path program 1 times [2023-11-25 00:07:41,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:07:41,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206215717] [2023-11-25 00:07:41,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:41,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:07:41,818 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:07:41,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1236935945] [2023-11-25 00:07:41,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:41,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:07:41,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:07:41,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:07:41,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:07:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:07:43,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:07:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:07:44,840 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:07:44,842 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:07:44,843 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:07:44,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:07:45,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:07:45,064 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:07:45,068 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:07:45,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-25 00:07:45,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-25 00:07:45,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-25 00:07:45,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-25 00:07:45,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-25 00:07:45,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-25 00:07:45,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:07:45,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-25 00:07:45,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-25 00:07:45,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:07:45,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-25 00:07:45,147 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-25 00:07:45,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-25 00:07:45,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:07:45,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:07:45,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-25 00:07:45,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-25 00:07:45,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-25 00:07:45,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-25 00:07:45,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:07:45,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-25 00:07:45,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-25 00:07:45,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-25 00:07:45,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:07:45,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-25 00:07:45,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:07:45,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-25 00:07:45,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-25 00:07:45,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-25 00:07:45,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-25 00:07:45,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:07:45,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-25 00:07:45,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:07:45,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-25 00:07:45,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-25 00:07:45,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-25 00:07:45,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:07:45,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-25 00:07:45,155 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-25 00:07:45,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-25 00:07:45,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-25 00:07:45,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-25 00:07:45,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-25 00:07:45,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:07:45,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:07:45,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-25 00:07:45,158 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-25 00:07:45,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-25 00:07:45,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-25 00:07:45,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:07:45,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-25 00:07:45,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-25 00:07:45,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-25 00:07:45,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-25 00:07:45,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-25 00:07:45,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-25 00:07:45,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-25 00:07:45,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:07:45,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-25 00:07:45,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-25 00:07:45,163 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-25 00:07:45,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-25 00:07:45,164 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-25 00:07:45,165 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-25 00:07:45,166 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-25 00:07:45,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-25 00:07:45,167 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-25 00:07:45,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-25 00:07:45,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-25 00:07:45,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-25 00:07:45,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-25 00:07:45,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-25 00:07:45,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-25 00:07:45,188 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-25 00:07:45,188 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-25 00:07:45,189 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-25 00:07:45,189 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-25 00:07:45,190 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-25 00:07:45,191 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-25 00:07:45,192 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-25 00:07:45,192 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-25 00:07:45,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-25 00:07:45,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-25 00:07:45,194 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-25 00:07:45,195 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-25 00:07:45,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-25 00:07:45,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-25 00:07:45,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-25 00:07:45,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:07:45 BoogieIcfgContainer [2023-11-25 00:07:45,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:07:45,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:07:45,255 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:07:45,255 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:07:45,256 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:41" (3/4) ... [2023-11-25 00:07:45,264 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:07:45,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:07:45,267 INFO L158 Benchmark]: Toolchain (without parser) took 6757.16ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 60.8MB in the end (delta: 75.7MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-25 00:07:45,267 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:07:45,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.28ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 121.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:07:45,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.09ms. Allocated memory is still 176.2MB. Free memory was 121.0MB in the beginning and 116.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:07:45,277 INFO L158 Benchmark]: Boogie Preprocessor took 81.06ms. Allocated memory is still 176.2MB. Free memory was 116.9MB in the beginning and 112.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:07:45,279 INFO L158 Benchmark]: RCFGBuilder took 1963.99ms. Allocated memory is still 176.2MB. Free memory was 112.7MB in the beginning and 75.9MB in the end (delta: 36.8MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2023-11-25 00:07:45,280 INFO L158 Benchmark]: TraceAbstraction took 4093.18ms. Allocated memory is still 176.2MB. Free memory was 74.9MB in the beginning and 60.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-25 00:07:45,282 INFO L158 Benchmark]: Witness Printer took 11.97ms. Allocated memory is still 176.2MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:07:45,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.28ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 121.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.09ms. Allocated memory is still 176.2MB. Free memory was 121.0MB in the beginning and 116.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.06ms. Allocated memory is still 176.2MB. Free memory was 116.9MB in the beginning and 112.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1963.99ms. Allocated memory is still 176.2MB. Free memory was 112.7MB in the beginning and 75.9MB in the end (delta: 36.8MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4093.18ms. Allocated memory is still 176.2MB. Free memory was 74.9MB in the beginning and 60.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 11.97ms. Allocated memory is still 176.2MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 2.6kB). 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~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 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~short56 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~short55 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~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of shiftLeft at line 47, overapproximation of bitwiseOr at line 54, overapproximation of someBinaryArithmeticFLOAToperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] float float_Array_0[2][2] = { {0.2, 64.8}, {64.4, 4.5} }; [L28-L30] signed char signed_char_Array_0[2] = { 0, -50 }; [L31-L33] signed short int signed_short_int_Array_0[5] = { 50, 1, 8, 10000, 64 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 2, 100 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 23647, 32, 128 }; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] FCALL updateLastVariables() [L116] CALL updateVariables() [L72] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] float_Array_0[0][0] = __VERIFIER_nondet_float() [L76] EXPR float_Array_0[0][0] [L76] EXPR float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F [L76] EXPR (float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854776000e+12F && float_Array_0[0][0] >= 1.0e-20F ) [L76] EXPR float_Array_0[0][0] [L76] EXPR float_Array_0[0][0] <= 9223372.036854776000e+12F && float_Array_0[0][0] >= 1.0e-20F [L76] EXPR float_Array_0[0][0] [L76] EXPR float_Array_0[0][0] <= 9223372.036854776000e+12F && float_Array_0[0][0] >= 1.0e-20F [L76] EXPR (float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854776000e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not((float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854776000e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854776000e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] float_Array_0[1][0] = __VERIFIER_nondet_float() [L78] EXPR float_Array_0[1][0] [L78] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F [L78] EXPR (float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F ) [L78] EXPR float_Array_0[1][0] [L78] EXPR float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F [L78] EXPR float_Array_0[1][0] [L78] EXPR float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F [L78] EXPR (float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] CALL assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] float_Array_0[0][1] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[0][1] [L80] EXPR float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F [L80] EXPR float_Array_0[0][1] [L80] EXPR float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F [L80] EXPR (float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] CALL assume_abort_if_not((float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((float_Array_0[0][1] >= -922337.2036854776000e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] float_Array_0[1][1] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[1][1] [L82] EXPR float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F [L82] EXPR float_Array_0[1][1] [L82] EXPR float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F [L82] EXPR (float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not((float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L84] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L87] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 8191) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L90] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(signed_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 8192) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 8192) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] signed_short_int_Array_0[2] = __VERIFIER_nondet_short() [L93] EXPR signed_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L93] CALL assume_abort_if_not(signed_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(signed_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] EXPR signed_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] CALL assume_abort_if_not(signed_short_int_Array_0[2] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(signed_short_int_Array_0[2] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] signed_short_int_Array_0[3] = __VERIFIER_nondet_short() [L96] EXPR signed_short_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L96] CALL assume_abort_if_not(signed_short_int_Array_0[3] >= 8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(signed_short_int_Array_0[3] >= 8191) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L97] EXPR signed_short_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L97] CALL assume_abort_if_not(signed_short_int_Array_0[3] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(signed_short_int_Array_0[3] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L98] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L99] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L99] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L102] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L102] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L116] RET updateVariables() [L117] CALL step() [L43] EXPR signed_char_Array_0[1] [L43] signed_char_Array_0[0] = signed_char_Array_0[1] [L44] EXPR BOOL_unsigned_char_Array_0[1] [L44] BOOL_unsigned_char_Array_0[0] = BOOL_unsigned_char_Array_0[1] [L45] EXPR signed_char_Array_0[0] [L45] signed char stepLocal_1 = signed_char_Array_0[0]; [L46] EXPR signed_short_int_Array_0[0] [L46] EXPR signed_short_int_Array_0[3] [L46] signed long int stepLocal_0 = signed_short_int_Array_0[0] / signed_short_int_Array_0[3]; [L47] EXPR signed_short_int_Array_0[1] [L47] EXPR signed_short_int_Array_0[2] [L47] EXPR signed_short_int_Array_0[1] << signed_short_int_Array_0[2] [L47] COND TRUE stepLocal_1 > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2]) [L48] COND TRUE stepLocal_0 > -25 [L49] EXPR unsigned_char_Array_0[1] [L49] unsigned_char_Array_0[0] = unsigned_char_Array_0[1] [L54] EXPR signed_short_int_Array_0[3] [L54] EXPR signed_char_Array_0[0] [L54] EXPR signed_short_int_Array_0[3] ^ signed_char_Array_0[0] [L54] signed long int stepLocal_2 = signed_short_int_Array_0[3] ^ signed_char_Array_0[0]; [L55] EXPR unsigned_char_Array_0[1] [L55] COND FALSE !(unsigned_char_Array_0[1] >= stepLocal_2) [L58] EXPR float_Array_0[1][1] [L58] EXPR float_Array_0[0][1] [L58] EXPR float_Array_0[1][0] [L58] EXPR float_Array_0[0][0] [L58] EXPR ((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0])) [L58] EXPR float_Array_0[1][0] [L58] EXPR float_Array_0[0][0] [L58] EXPR ((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0])) [L58] COND FALSE !(float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) [L63] BOOL_unsigned_char_Array_0[0] [L63] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L66] EXPR unsigned_char_Array_0[0] [L66] signed_short_int_Array_0[4] = unsigned_char_Array_0[0] [L69] EXPR signed_short_int_Array_0[4] [L69] unsigned_short_int_Array_0[1] = signed_short_int_Array_0[4] [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR float_Array_0[1][1] [L108] EXPR float_Array_0[0][1] [L108] EXPR float_Array_0[1][0] [L108] EXPR float_Array_0[0][0] [L108] EXPR ((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0])) [L108] EXPR float_Array_0[0][1] [L108] EXPR ((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0])) [L108] EXPR (float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) signed_char_Array_0[0])) : (signed_short_int_Array_0[4] == ((signed short int) unsigned_char_Array_0[0]))) [L108] EXPR BOOL_unsigned_char_Array_0[0] [L108] EXPR BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1 [L108] EXPR (float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) signed_char_Array_0[0])) : (signed_short_int_Array_0[4] == ((signed short int) unsigned_char_Array_0[0]))) [L108] EXPR ((float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) signed_char_Array_0[0])) : (signed_short_int_Array_0[4] == ((signed short int) unsigned_char_Array_0[0])))) && ((signed_char_Array_0[0] > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2])) ? (((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : 1) [L108] EXPR signed_char_Array_0[0] [L108] EXPR signed_short_int_Array_0[1] [L108] EXPR signed_short_int_Array_0[2] [L108] EXPR signed_short_int_Array_0[1] << signed_short_int_Array_0[2] [L108] EXPR (signed_char_Array_0[0] > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2])) ? (((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : 1 [L108] EXPR signed_short_int_Array_0[0] [L108] EXPR signed_short_int_Array_0[3] [L108] EXPR ((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) [L108] EXPR unsigned_char_Array_0[0] [L108] EXPR unsigned_char_Array_0[1] [L108] EXPR ((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) [L108] EXPR (signed_char_Array_0[0] > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2])) ? (((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : 1 [L108] EXPR ((float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) signed_char_Array_0[0])) : (signed_short_int_Array_0[4] == ((signed short int) unsigned_char_Array_0[0])))) && ((signed_char_Array_0[0] > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2])) ? (((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : 1) [L108] EXPR (((float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) signed_char_Array_0[0])) : (signed_short_int_Array_0[4] == ((signed short int) unsigned_char_Array_0[0])))) && ((signed_char_Array_0[0] > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2])) ? (((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : 1)) && ((unsigned_char_Array_0[1] >= (signed_short_int_Array_0[3] ^ signed_char_Array_0[0])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (unsigned_char_Array_0[1] + (unsigned_short_int_Array_0[0] - unsigned_char_Array_0[0])))) : 1) [L108] EXPR unsigned_char_Array_0[1] [L108] EXPR signed_short_int_Array_0[3] [L108] EXPR signed_char_Array_0[0] [L108] EXPR signed_short_int_Array_0[3] ^ signed_char_Array_0[0] [L108] EXPR (unsigned_char_Array_0[1] >= (signed_short_int_Array_0[3] ^ signed_char_Array_0[0])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (unsigned_char_Array_0[1] + (unsigned_short_int_Array_0[0] - unsigned_char_Array_0[0])))) : 1 [L108] EXPR unsigned_short_int_Array_0[2] [L108] EXPR unsigned_char_Array_0[1] [L108] EXPR unsigned_short_int_Array_0[0] [L108] EXPR unsigned_char_Array_0[0] [L108] EXPR (unsigned_char_Array_0[1] >= (signed_short_int_Array_0[3] ^ signed_char_Array_0[0])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (unsigned_char_Array_0[1] + (unsigned_short_int_Array_0[0] - unsigned_char_Array_0[0])))) : 1 [L108] EXPR (((float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) signed_char_Array_0[0])) : (signed_short_int_Array_0[4] == ((signed short int) unsigned_char_Array_0[0])))) && ((signed_char_Array_0[0] > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2])) ? (((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : 1)) && ((unsigned_char_Array_0[1] >= (signed_short_int_Array_0[3] ^ signed_char_Array_0[0])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (unsigned_char_Array_0[1] + (unsigned_short_int_Array_0[0] - unsigned_char_Array_0[0])))) : 1) [L108] EXPR ((((float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) signed_char_Array_0[0])) : (signed_short_int_Array_0[4] == ((signed short int) unsigned_char_Array_0[0])))) && ((signed_char_Array_0[0] > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2])) ? (((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : 1)) && ((unsigned_char_Array_0[1] >= (signed_short_int_Array_0[3] ^ signed_char_Array_0[0])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (unsigned_char_Array_0[1] + (unsigned_short_int_Array_0[0] - unsigned_char_Array_0[0])))) : 1)) && (unsigned_short_int_Array_0[1] == ((unsigned short int) signed_short_int_Array_0[4])) [L108] EXPR (((((float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) signed_char_Array_0[0])) : (signed_short_int_Array_0[4] == ((signed short int) unsigned_char_Array_0[0])))) && ((signed_char_Array_0[0] > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2])) ? (((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : 1)) && ((unsigned_char_Array_0[1] >= (signed_short_int_Array_0[3] ^ signed_char_Array_0[0])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (unsigned_char_Array_0[1] + (unsigned_short_int_Array_0[0] - unsigned_char_Array_0[0])))) : 1)) && (unsigned_short_int_Array_0[1] == ((unsigned short int) signed_short_int_Array_0[4]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) [L108] EXPR ((((((float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) signed_char_Array_0[0])) : (signed_short_int_Array_0[4] == ((signed short int) unsigned_char_Array_0[0])))) && ((signed_char_Array_0[0] > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2])) ? (((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : 1)) && ((unsigned_char_Array_0[1] >= (signed_short_int_Array_0[3] ^ signed_char_Array_0[0])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (unsigned_char_Array_0[1] + (unsigned_short_int_Array_0[0] - unsigned_char_Array_0[0])))) : 1)) && (unsigned_short_int_Array_0[1] == ((unsigned short int) signed_short_int_Array_0[4]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])) [L108-L109] return ((((((float_Array_0[1][1] != ((((float_Array_0[0][1]) > ((float_Array_0[1][0] - float_Array_0[0][0]))) ? (float_Array_0[0][1]) : ((float_Array_0[1][0] - float_Array_0[0][0]))))) ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) (((signed_short_int_Array_0[3] - 32) + (unsigned_char_Array_0[0] + unsigned_char_Array_0[0])) - unsigned_char_Array_0[0]))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[4] == ((signed short int) signed_char_Array_0[0])) : (signed_short_int_Array_0[4] == ((signed short int) unsigned_char_Array_0[0])))) && ((signed_char_Array_0[0] > (signed_short_int_Array_0[1] << signed_short_int_Array_0[2])) ? (((signed_short_int_Array_0[0] / signed_short_int_Array_0[3]) > -25) ? (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[0] == ((unsigned char) unsigned_char_Array_0[1]))) : 1)) && ((unsigned_char_Array_0[1] >= (signed_short_int_Array_0[3] ^ signed_char_Array_0[0])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (unsigned_char_Array_0[1] + (unsigned_short_int_Array_0[0] - unsigned_char_Array_0[0])))) : 1)) && (unsigned_short_int_Array_0[1] == ((unsigned short int) signed_short_int_Array_0[4]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 20, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 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 [2023-11-25 00:07:45,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91 --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 5d359503c0f6b7fead1204dfe760bfe51225f7e05671bbe3e92f7a9f7a51757d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:07:48,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:07:48,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:07:48,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:07:48,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:07:48,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:07:48,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:07:48,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:07:48,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:07:48,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:07:48,825 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:07:48,826 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:07:48,826 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:07:48,828 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:07:48,829 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:07:48,829 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:07:48,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:07:48,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:07:48,832 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:07:48,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:07:48,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:07:48,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:07:48,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:07:48,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:07:48,835 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:07:48,836 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:07:48,836 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:07:48,837 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:07:48,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:07:48,838 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:07:48,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:07:48,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:07:48,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:07:48,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:07:48,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:48,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:07:48,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:07:48,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:07:48,843 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:07:48,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:07:48,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:07:48,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:07:48,845 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:07:48,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:07:48,846 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_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d359503c0f6b7fead1204dfe760bfe51225f7e05671bbe3e92f7a9f7a51757d [2023-11-25 00:07:49,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:07:49,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:07:49,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:07:49,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:07:49,407 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:07:49,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i [2023-11-25 00:07:52,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:07:53,226 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:07:53,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i [2023-11-25 00:07:53,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/data/ae034c585/2c496d320aad4a4481c4f784a6b6fd64/FLAGa6e3ca51d [2023-11-25 00:07:53,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/data/ae034c585/2c496d320aad4a4481c4f784a6b6fd64 [2023-11-25 00:07:53,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:07:53,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:07:53,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:53,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:07:53,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:07:53,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:53,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d34a8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53, skipping insertion in model container [2023-11-25 00:07:53,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:53,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:07:53,622 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_9cad2ecc-eb68-4071-ade4-7fae242c0df6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i[916,929] [2023-11-25 00:07:53,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:53,751 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:07:53,764 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_9cad2ecc-eb68-4071-ade4-7fae242c0df6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-43.i[916,929] [2023-11-25 00:07:53,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:53,850 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:07:53,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53 WrapperNode [2023-11-25 00:07:53,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:53,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:07:53,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:07:53,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:07:53,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:53,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:54,042 INFO L138 Inliner]: procedures = 33, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 457 [2023-11-25 00:07:54,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:07:54,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:07:54,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:07:54,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:07:54,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:54,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:54,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:54,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:54,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:54,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:54,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:54,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:54,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:07:54,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:07:54,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:07:54,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:07:54,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (1/1) ... [2023-11-25 00:07:54,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:54,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:07:54,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:07:54,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:07:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-25 00:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-25 00:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-25 00:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-25 00:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-25 00:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:07:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:07:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:07:54,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:07:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:07:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-25 00:07:54,477 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:07:54,480 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:07:56,088 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:07:56,166 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:07:56,181 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:07:56,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:56 BoogieIcfgContainer [2023-11-25 00:07:56,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:07:56,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:07:56,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:07:56,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:07:56,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:07:53" (1/3) ... [2023-11-25 00:07:56,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b5cef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:56, skipping insertion in model container [2023-11-25 00:07:56,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:53" (2/3) ... [2023-11-25 00:07:56,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b5cef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:56, skipping insertion in model container [2023-11-25 00:07:56,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:56" (3/3) ... [2023-11-25 00:07:56,200 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-43.i [2023-11-25 00:07:56,226 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:07:56,227 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:07:56,318 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:07:56,330 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;@2a8e436b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:07:56,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:07:56,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 83 states have internal predecessors, (118), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-25 00:07:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-25 00:07:56,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:56,369 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:56,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:56,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:56,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1053960647, now seen corresponding path program 1 times [2023-11-25 00:07:56,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:07:56,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580819792] [2023-11-25 00:07:56,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:56,404 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 [2023-11-25 00:07:56,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:07:56,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:07:56,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:07:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:57,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:07:57,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-25 00:07:57,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:07:57,306 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:07:57,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580819792] [2023-11-25 00:07:57,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580819792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:07:57,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:07:57,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:07:57,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211995386] [2023-11-25 00:07:57,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:57,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:07:57,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:07:57,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:07:57,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:07:57,381 INFO L87 Difference]: Start difference. First operand has 105 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 83 states have internal predecessors, (118), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-25 00:07:57,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:07:57,535 INFO L93 Difference]: Finished difference Result 207 states and 334 transitions. [2023-11-25 00:07:57,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:07:57,540 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 159 [2023-11-25 00:07:57,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:07:57,553 INFO L225 Difference]: With dead ends: 207 [2023-11-25 00:07:57,554 INFO L226 Difference]: Without dead ends: 103 [2023-11-25 00:07:57,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:07:57,565 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:07:57,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:07:57,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-25 00:07:57,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-25 00:07:57,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 81 states have internal predecessors, (113), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-25 00:07:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 153 transitions. [2023-11-25 00:07:57,657 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 153 transitions. Word has length 159 [2023-11-25 00:07:57,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:07:57,658 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 153 transitions. [2023-11-25 00:07:57,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-25 00:07:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 153 transitions. [2023-11-25 00:07:57,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-25 00:07:57,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:57,673 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:57,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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)] Ended with exit code 0 [2023-11-25 00:07:57,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:07:57,886 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:57,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:57,893 INFO L85 PathProgramCache]: Analyzing trace with hash 955189351, now seen corresponding path program 1 times [2023-11-25 00:07:57,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:07:57,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082272848] [2023-11-25 00:07:57,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:57,895 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 [2023-11-25 00:07:57,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:07:57,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:07:57,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:07:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:58,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:07:58,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-25 00:07:58,602 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:07:58,602 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:07:58,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082272848] [2023-11-25 00:07:58,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082272848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:07:58,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:07:58,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:07:58,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884196032] [2023-11-25 00:07:58,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:58,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:07:58,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:07:58,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:07:58,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:07:58,609 INFO L87 Difference]: Start difference. First operand 103 states and 153 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-25 00:07:58,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:07:58,899 INFO L93 Difference]: Finished difference Result 226 states and 335 transitions. [2023-11-25 00:07:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:07:58,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2023-11-25 00:07:58,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:07:58,906 INFO L225 Difference]: With dead ends: 226 [2023-11-25 00:07:58,906 INFO L226 Difference]: Without dead ends: 124 [2023-11-25 00:07:58,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:07:58,910 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 46 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:07:58,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 573 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:07:58,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-25 00:07:58,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 107. [2023-11-25 00:07:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-25 00:07:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 157 transitions. [2023-11-25 00:07:58,927 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 157 transitions. Word has length 159 [2023-11-25 00:07:58,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:07:58,930 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 157 transitions. [2023-11-25 00:07:58,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-25 00:07:58,931 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 157 transitions. [2023-11-25 00:07:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-25 00:07:58,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:58,934 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:58,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:07:59,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:07:59,147 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:59,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:59,148 INFO L85 PathProgramCache]: Analyzing trace with hash 145842725, now seen corresponding path program 1 times [2023-11-25 00:07:59,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:07:59,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562225361] [2023-11-25 00:07:59,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:59,150 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 [2023-11-25 00:07:59,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:07:59,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:07:59,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:07:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:59,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:07:59,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-25 00:07:59,992 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:07:59,992 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:07:59,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562225361] [2023-11-25 00:07:59,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562225361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:00,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:00,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-25 00:08:00,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373416189] [2023-11-25 00:08:00,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:00,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-25 00:08:00,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:00,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-25 00:08:00,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:08:00,007 INFO L87 Difference]: Start difference. First operand 107 states and 157 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-25 00:08:00,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:00,411 INFO L93 Difference]: Finished difference Result 234 states and 341 transitions. [2023-11-25 00:08:00,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-25 00:08:00,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2023-11-25 00:08:00,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:00,418 INFO L225 Difference]: With dead ends: 234 [2023-11-25 00:08:00,418 INFO L226 Difference]: Without dead ends: 128 [2023-11-25 00:08:00,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-25 00:08:00,421 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 41 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:00,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 837 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:08:00,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-25 00:08:00,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 111. [2023-11-25 00:08:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-25 00:08:00,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2023-11-25 00:08:00,446 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 159 [2023-11-25 00:08:00,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:00,448 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2023-11-25 00:08:00,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-25 00:08:00,448 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2023-11-25 00:08:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-25 00:08:00,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:00,452 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:00,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:00,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:08:00,663 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:00,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:00,663 INFO L85 PathProgramCache]: Analyzing trace with hash 145902307, now seen corresponding path program 1 times [2023-11-25 00:08:00,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:00,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679267481] [2023-11-25 00:08:00,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:00,665 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 [2023-11-25 00:08:00,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:00,666 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:08:00,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-25 00:08:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:01,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:08:01,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:01,288 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 77 treesize of output 41 [2023-11-25 00:08:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2023-11-25 00:08:01,343 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:01,344 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:01,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679267481] [2023-11-25 00:08:01,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679267481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:01,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:01,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:08:01,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517032993] [2023-11-25 00:08:01,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:01,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:08:01,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:01,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:08:01,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:08:01,356 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-25 00:08:02,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:02,860 INFO L93 Difference]: Finished difference Result 227 states and 330 transitions. [2023-11-25 00:08:02,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:08:02,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 159 [2023-11-25 00:08:02,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:02,863 INFO L225 Difference]: With dead ends: 227 [2023-11-25 00:08:02,863 INFO L226 Difference]: Without dead ends: 117 [2023-11-25 00:08:02,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:08:02,865 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 154 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:02,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 421 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-25 00:08:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-25 00:08:02,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111. [2023-11-25 00:08:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-25 00:08:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2023-11-25 00:08:02,881 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 159 [2023-11-25 00:08:02,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:02,882 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2023-11-25 00:08:02,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-25 00:08:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2023-11-25 00:08:02,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-25 00:08:02,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:02,885 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:02,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:03,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:08:03,097 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:03,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:03,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1839168937, now seen corresponding path program 1 times [2023-11-25 00:08:03,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:03,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578669194] [2023-11-25 00:08:03,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:03,099 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 [2023-11-25 00:08:03,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:03,101 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:08:03,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-25 00:08:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:03,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:08:03,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:03,753 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 95 treesize of output 41 [2023-11-25 00:08:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2023-11-25 00:08:03,789 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:03,804 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:03,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578669194] [2023-11-25 00:08:03,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578669194] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:03,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:03,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:08:03,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114336025] [2023-11-25 00:08:03,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:03,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:08:03,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:03,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:08:03,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:08:03,808 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-25 00:08:06,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:06,071 INFO L93 Difference]: Finished difference Result 227 states and 328 transitions. [2023-11-25 00:08:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:08:06,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 161 [2023-11-25 00:08:06,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:06,074 INFO L225 Difference]: With dead ends: 227 [2023-11-25 00:08:06,074 INFO L226 Difference]: Without dead ends: 117 [2023-11-25 00:08:06,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:08:06,076 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 145 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:06,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 420 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-25 00:08:06,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-25 00:08:06,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111. [2023-11-25 00:08:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 89 states have internal predecessors, (119), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-25 00:08:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2023-11-25 00:08:06,100 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 161 [2023-11-25 00:08:06,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:06,100 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2023-11-25 00:08:06,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-25 00:08:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2023-11-25 00:08:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-25 00:08:06,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:06,107 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:06,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:06,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:08:06,320 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:06,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:06,320 INFO L85 PathProgramCache]: Analyzing trace with hash -999276061, now seen corresponding path program 1 times [2023-11-25 00:08:06,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:06,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498694784] [2023-11-25 00:08:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:06,322 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 [2023-11-25 00:08:06,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:06,323 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:08:06,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-25 00:08:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:06,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-25 00:08:06,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:07,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-25 00:08:07,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:08,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:08,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:09,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:09,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:09,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:10,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:10,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:11,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:11,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:11,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-25 00:08:12,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2023-11-25 00:08:12,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-25 00:08:12,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-11-25 00:08:12,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2023-11-25 00:08:12,149 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 35 treesize of output 26 [2023-11-25 00:08:12,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:08:12,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 15 [2023-11-25 00:08:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 557 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-25 00:08:12,325 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:08:12,765 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:12,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498694784] [2023-11-25 00:08:12,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498694784] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:08:12,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2078284622] [2023-11-25 00:08:12,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:12,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:08:12,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:08:12,769 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:08:12,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-25 00:08:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:14,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-25 00:08:14,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:14,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-25 00:08:15,659 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 30 treesize of output 23 [2023-11-25 00:08:16,340 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 30 treesize of output 23 [2023-11-25 00:08:16,906 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 30 treesize of output 23 [2023-11-25 00:08:17,350 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 30 treesize of output 23 [2023-11-25 00:08:17,851 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 30 treesize of output 23 [2023-11-25 00:08:18,396 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 30 treesize of output 23 [2023-11-25 00:08:18,917 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 30 treesize of output 23 [2023-11-25 00:08:19,387 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 30 treesize of output 23 [2023-11-25 00:08:19,881 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 30 treesize of output 23 [2023-11-25 00:08:20,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2023-11-25 00:08:20,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2023-11-25 00:08:21,045 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 46 treesize of output 32 [2023-11-25 00:08:21,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2023-11-25 00:08:21,240 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 29 treesize of output 22 [2023-11-25 00:08:21,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:08:21,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 15 [2023-11-25 00:08:21,452 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 557 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-25 00:08:21,452 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:08:21,484 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_270 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_270) |c_~#BOOL_unsigned_char_Array_0~0.base|) |c_~#BOOL_unsigned_char_Array_0~0.offset|)) (_ bv0 8))) is different from false [2023-11-25 00:08:21,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2078284622] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:08:21,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352244020] [2023-11-25 00:08:21,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:21,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:08:21,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:21,681 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:08:21,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cad2ecc-eb68-4071-ade4-7fae242c0df6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-25 00:08:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:22,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-25 00:08:22,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:24,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-25 00:08:24,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2023-11-25 00:08:24,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2023-11-25 00:08:24,670 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:08:24,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 69 [2023-11-25 00:08:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-25 00:08:24,874 INFO L327 TraceCheckSpWp]: Computing backward predicates...