./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 221b5a6bbea2d3affa28d277422c6c16e25871b0f2e6dd0968bfbdc5b5eb82af --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:46,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:46,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:13:46,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:46,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:13:46,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:46,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:13:46,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:13:46,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:46,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:13:46,575 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:13:46,577 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:13:46,577 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:13:46,580 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:13:46,580 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:13:46,581 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:13:46,581 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:13:46,582 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:13:46,582 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:13:46,583 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:13:46,585 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:13:46,586 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:13:46,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:46,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:46,589 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:46,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:46,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:46,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:46,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:46,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:46,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:46,593 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:46,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:46,593 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:46,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:46,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:13:46,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:13:46,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:13:46,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:46,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:46,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:46,596 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:13:46,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:46,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:13:46,598 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:46,598 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:13:46,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:46,598 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_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 221b5a6bbea2d3affa28d277422c6c16e25871b0f2e6dd0968bfbdc5b5eb82af [2023-11-24 23:13:46,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:47,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:47,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:47,032 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:47,032 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:47,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i [2023-11-24 23:13:50,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:50,477 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:50,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i [2023-11-24 23:13:50,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/data/1e369ed88/170ad9be5cec488abf7a5ad2ee12f4ea/FLAG54750341d [2023-11-24 23:13:50,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/data/1e369ed88/170ad9be5cec488abf7a5ad2ee12f4ea [2023-11-24 23:13:50,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:50,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:50,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:50,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:50,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:50,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:50" (1/1) ... [2023-11-24 23:13:50,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa515f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:50, skipping insertion in model container [2023-11-24 23:13:50,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:50" (1/1) ... [2023-11-24 23:13:50,593 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:50,825 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_8aa5fcbe-6475-4012-9a7e-11c949d891b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i[917,930] [2023-11-24 23:13:50,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:50,954 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:50,971 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_8aa5fcbe-6475-4012-9a7e-11c949d891b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i[917,930] [2023-11-24 23:13:51,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:51,074 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:51,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51 WrapperNode [2023-11-24 23:13:51,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:51,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:51,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:51,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:51,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,179 INFO L138 Inliner]: procedures = 29, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 400 [2023-11-24 23:13:51,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:51,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:51,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:51,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:51,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:51,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:51,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:51,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:51,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (1/1) ... [2023-11-24 23:13:51,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:13:51,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:13:51,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:51,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:13:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:13:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:13:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:13:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:13:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:13:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:13:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:51,482 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:51,485 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:52,185 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:53,131 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:53,132 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:13:53,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:53 BoogieIcfgContainer [2023-11-24 23:13:53,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:53,140 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:13:53,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:13:53,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:13:53,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:13:50" (1/3) ... [2023-11-24 23:13:53,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be188e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:13:53, skipping insertion in model container [2023-11-24 23:13:53,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:51" (2/3) ... [2023-11-24 23:13:53,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be188e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:13:53, skipping insertion in model container [2023-11-24 23:13:53,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:53" (3/3) ... [2023-11-24 23:13:53,151 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-47.i [2023-11-24 23:13:53,174 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:13:53,175 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:13:53,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:13:53,253 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;@63c81a6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:13:53,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:13:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-24 23:13:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:13:53,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:13:53,269 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:13:53,269 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:13:53,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:53,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1844618915, now seen corresponding path program 1 times [2023-11-24 23:13:53,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:13:53,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371533708] [2023-11-24 23:13:53,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:13:53,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:54,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:13:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:13:55,292 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:13:55,297 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:13:55,298 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:13:55,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:13:55,307 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:13:55,313 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:13:55,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:13:55,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:13:55,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-24 23:13:55,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:13:55,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-24 23:13:55,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:13:55,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:13:55,387 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:13:55,387 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:13:55,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-24 23:13:55,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:13:55,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:13:55,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:13:55,389 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-24 23:13:55,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:13:55,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:13:55,405 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:13:55,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:13:55,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:13:55,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:13:55,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:13:55,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:13:55,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:13:55,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:13:55,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:13:55,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:13:55,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:13:55,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:13:55,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:13:55,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:13:55,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:13:55 BoogieIcfgContainer [2023-11-24 23:13:55,454 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:13:55,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:55,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:55,471 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:55,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:53" (3/4) ... [2023-11-24 23:13:55,474 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:13:55,475 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:55,478 INFO L158 Benchmark]: Toolchain (without parser) took 4949.51ms. Allocated memory was 134.2MB in the beginning and 247.5MB in the end (delta: 113.2MB). Free memory was 89.6MB in the beginning and 211.3MB in the end (delta: -121.7MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2023-11-24 23:13:55,478 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:55,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.67ms. Allocated memory is still 134.2MB. Free memory was 89.6MB in the beginning and 75.4MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:13:55,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.62ms. Allocated memory is still 134.2MB. Free memory was 75.4MB in the beginning and 72.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:13:55,483 INFO L158 Benchmark]: Boogie Preprocessor took 55.61ms. Allocated memory is still 134.2MB. Free memory was 72.3MB in the beginning and 69.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:55,489 INFO L158 Benchmark]: RCFGBuilder took 1899.36ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 69.6MB in the beginning and 120.0MB in the end (delta: -50.4MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2023-11-24 23:13:55,491 INFO L158 Benchmark]: TraceAbstraction took 2314.27ms. Allocated memory is still 182.5MB. Free memory was 119.0MB in the beginning and 50.3MB in the end (delta: 68.7MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2023-11-24 23:13:55,492 INFO L158 Benchmark]: Witness Printer took 7.54ms. Allocated memory was 182.5MB in the beginning and 247.5MB in the end (delta: 65.0MB). Free memory was 50.3MB in the beginning and 211.3MB in the end (delta: -161.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-24 23:13:55,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.67ms. Allocated memory is still 134.2MB. Free memory was 89.6MB in the beginning and 75.4MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.62ms. Allocated memory is still 134.2MB. Free memory was 75.4MB in the beginning and 72.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.61ms. Allocated memory is still 134.2MB. Free memory was 72.3MB in the beginning and 69.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1899.36ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 69.6MB in the beginning and 120.0MB in the end (delta: -50.4MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2314.27ms. Allocated memory is still 182.5MB. Free memory was 119.0MB in the beginning and 50.3MB in the end (delta: 68.7MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. * Witness Printer took 7.54ms. Allocated memory was 182.5MB in the beginning and 247.5MB in the end (delta: 65.0MB). Free memory was 50.3MB in the beginning and 211.3MB in the end (delta: -161.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someUnaryDOUBLEoperation at line 76. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L45] double* WrapperStruct0_var_1_1_Pointer = &(WrapperStruct0.var_1_1); [L46] double* WrapperStruct0_var_1_8_Pointer = &(WrapperStruct0.var_1_8); [L47] signed char* WrapperStruct0_var_1_9_Pointer = &(WrapperStruct0.var_1_9); [L48] signed char* WrapperStruct0_var_1_10_Pointer = &(WrapperStruct0.var_1_10); [L49] signed char* WrapperStruct0_var_1_11_Pointer = &(WrapperStruct0.var_1_11); [L50] signed long int* WrapperStruct0_var_1_12_Pointer = &(WrapperStruct0.var_1_12); [L51] unsigned char* WrapperStruct0_var_1_13_Pointer = &(WrapperStruct0.var_1_13); [L52] unsigned char* WrapperStruct0_var_1_14_Pointer = &(WrapperStruct0.var_1_14); [L53] double* WrapperStruct0_var_1_15_Pointer = &(WrapperStruct0.var_1_15); [L54] signed long int last_1_WrapperStruct0_var_1_12 = 8; [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L101] EXPR WrapperStruct0.var_1_12 [L101] last_1_WrapperStruct0_var_1_12 = WrapperStruct0.var_1_12 [L111] RET updateLastVariables() [L112] CALL updateVariables() [L85] WrapperStruct0.var_1_8 = __VERIFIER_nondet_double() [L86] EXPR WrapperStruct0.var_1_8 [L86] EXPR WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F [L86] EXPR WrapperStruct0.var_1_8 [L86] EXPR WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F [L86] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L86] CALL assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L87] WrapperStruct0.var_1_10 = __VERIFIER_nondet_char() [L88] EXPR WrapperStruct0.var_1_10 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L88] CALL assume_abort_if_not(WrapperStruct0.var_1_10 >= -63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct0.var_1_10 >= -63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L89] EXPR WrapperStruct0.var_1_10 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L89] CALL assume_abort_if_not(WrapperStruct0.var_1_10 <= 63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct0.var_1_10 <= 63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L90] WrapperStruct0.var_1_11 = __VERIFIER_nondet_char() [L91] EXPR WrapperStruct0.var_1_11 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L91] CALL assume_abort_if_not(WrapperStruct0.var_1_11 >= -63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct0.var_1_11 >= -63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L92] EXPR WrapperStruct0.var_1_11 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_11 <= 63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct0.var_1_11 <= 63) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L93] WrapperStruct0.var_1_13 = __VERIFIER_nondet_uchar() [L94] EXPR WrapperStruct0.var_1_13 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L94] CALL assume_abort_if_not(WrapperStruct0.var_1_13 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct0.var_1_13 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR WrapperStruct0.var_1_13 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] CALL assume_abort_if_not(WrapperStruct0.var_1_13 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct0.var_1_13 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L96] WrapperStruct0.var_1_14 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct0.var_1_14 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L97] CALL assume_abort_if_not(WrapperStruct0.var_1_14 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct0.var_1_14 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L98] EXPR WrapperStruct0.var_1_14 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L98] CALL assume_abort_if_not(WrapperStruct0.var_1_14 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct0.var_1_14 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L112] RET updateVariables() [L113] CALL step() [L58] COND FALSE !(-4 > last_1_WrapperStruct0_var_1_12) [L63] EXPR \read(*WrapperStruct0_var_1_10_Pointer) [L63] (*(WrapperStruct0_var_1_9_Pointer)) = (*(WrapperStruct0_var_1_10_Pointer)) [L65] EXPR \read(*WrapperStruct0_var_1_13_Pointer) [L65] unsigned char stepLocal_0 = ! (*(WrapperStruct0_var_1_13_Pointer)); [L66] stepLocal_0 || (*(WrapperStruct0_var_1_14_Pointer)) [L66] COND TRUE stepLocal_0 || (*(WrapperStruct0_var_1_14_Pointer)) [L67] EXPR \read(*WrapperStruct0_var_1_14_Pointer) [L67] COND TRUE ! (*(WrapperStruct0_var_1_14_Pointer)) [L68] EXPR \read(*WrapperStruct0_var_1_9_Pointer) [L68] EXPR \read(*WrapperStruct0_var_1_9_Pointer) [L68] EXPR (((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) [L68] EXPR \read(*WrapperStruct0_var_1_9_Pointer) [L68] EXPR (((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) [L68] EXPR ((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) [L68] EXPR \read(*WrapperStruct0_var_1_9_Pointer) [L68] EXPR \read(*WrapperStruct0_var_1_9_Pointer) [L68] EXPR (((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) [L68] EXPR \read(*WrapperStruct0_var_1_9_Pointer) [L68] EXPR (((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) [L68] EXPR ((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) [L68] (*(WrapperStruct0_var_1_12_Pointer)) = ((((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))))) [L73] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L73] (*(WrapperStruct0_var_1_15_Pointer)) = (*(WrapperStruct0_var_1_8_Pointer)) [L74] EXPR \read(*WrapperStruct0_var_1_15_Pointer) [L74] EXPR \read(*WrapperStruct0_var_1_15_Pointer) [L74] COND TRUE (*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer)) [L75] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L75] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L75] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L75] EXPR \read(*WrapperStruct0_var_1_9_Pointer) [L75] COND TRUE ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer))) [L76] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L76] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))) [L76] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L76] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))) [L76] (*(WrapperStruct0_var_1_1_Pointer)) = (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))) [L113] RET step() [L114] CALL, EXPR property() [L104] EXPR \read(*WrapperStruct0_var_1_15_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_15_Pointer) [L104] EXPR ((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1) [L104] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_9_Pointer) [L104] EXPR (((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1 [L104] EXPR \read(*WrapperStruct0_var_1_1_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L104] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))) [L104] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L104] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))) [L104] EXPR (((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1 [L104] EXPR ((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1) [L104] EXPR (((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer))))) [L104] EXPR ((((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer)))))) && (((! (*(WrapperStruct0_var_1_13_Pointer))) || (*(WrapperStruct0_var_1_14_Pointer))) ? ((! (*(WrapperStruct0_var_1_14_Pointer))) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) ((((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_9_Pointer))))) : 1) [L104] EXPR (((((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer)))))) && (((! (*(WrapperStruct0_var_1_13_Pointer))) || (*(WrapperStruct0_var_1_14_Pointer))) ? ((! (*(WrapperStruct0_var_1_14_Pointer))) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) ((((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_9_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_15_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) [L104-L105] return (((((*(WrapperStruct0_var_1_15_Pointer)) <= (*(WrapperStruct0_var_1_15_Pointer))) ? ((((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_12_Pointer))) >= ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (((((*(WrapperStruct0_var_1_8_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_8_Pointer))))))) : 1) : (((*(WrapperStruct0_var_1_12_Pointer)) > (*(WrapperStruct0_var_1_9_Pointer))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) < 0 ) ? -((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer)) + (*(WrapperStruct0_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct0_var_1_9_Pointer)) == ((signed char) (*(WrapperStruct0_var_1_10_Pointer)))))) && (((! (*(WrapperStruct0_var_1_13_Pointer))) || (*(WrapperStruct0_var_1_14_Pointer))) ? ((! (*(WrapperStruct0_var_1_14_Pointer))) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) ((((((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) < 0 ) ? -(((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) : (((((*(WrapperStruct0_var_1_9_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_9_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_9_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_15_Pointer)) == ((double) (*(WrapperStruct0_var_1_8_Pointer)))) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L19] reach_error() VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:17}, WrapperStruct0_var_1_11_Pointer={4:18}, WrapperStruct0_var_1_12_Pointer={4:19}, WrapperStruct0_var_1_13_Pointer={4:23}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_15_Pointer={4:25}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_8_Pointer={4:8}, WrapperStruct0_var_1_9_Pointer={4:16}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_12=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 9, 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=27occurred 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: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 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 [2023-11-24 23:13:55,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 221b5a6bbea2d3affa28d277422c6c16e25871b0f2e6dd0968bfbdc5b5eb82af --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:58,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:58,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:13:58,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:58,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:13:58,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:58,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:13:58,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:13:58,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:58,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:13:58,663 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:13:58,664 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:13:58,665 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:13:58,667 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:13:58,667 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:13:58,668 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:13:58,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:58,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:58,670 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:58,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:58,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:58,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:58,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:58,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:58,674 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:13:58,675 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:13:58,675 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:13:58,676 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:58,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:58,677 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:58,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:58,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:13:58,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:13:58,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:13:58,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:13:58,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:58,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:58,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:58,681 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:13:58,682 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:58,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:13:58,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:58,683 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:13:58,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:58,684 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_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 221b5a6bbea2d3affa28d277422c6c16e25871b0f2e6dd0968bfbdc5b5eb82af [2023-11-24 23:13:59,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:59,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:59,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:59,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:59,164 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:59,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i [2023-11-24 23:14:02,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:02,776 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:02,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i [2023-11-24 23:14:02,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/data/8a1ca2a71/c3c2b674cce44c82a299180a48d1c4db/FLAG5370321cd [2023-11-24 23:14:02,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/data/8a1ca2a71/c3c2b674cce44c82a299180a48d1c4db [2023-11-24 23:14:02,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:02,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:02,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:02,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:02,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:02,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:02" (1/1) ... [2023-11-24 23:14:02,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cfeb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:02, skipping insertion in model container [2023-11-24 23:14:02,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:02" (1/1) ... [2023-11-24 23:14:02,849 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:03,031 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_8aa5fcbe-6475-4012-9a7e-11c949d891b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i[917,930] [2023-11-24 23:14:03,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:03,140 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:03,152 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_8aa5fcbe-6475-4012-9a7e-11c949d891b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-47.i[917,930] [2023-11-24 23:14:03,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:03,220 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:03,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03 WrapperNode [2023-11-24 23:14:03,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:03,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:03,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:03,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:03,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,301 INFO L138 Inliner]: procedures = 33, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 398 [2023-11-24 23:14:03,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:03,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:03,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:03,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:03,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:03,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:03,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:03,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:03,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (1/1) ... [2023-11-24 23:14:03,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:03,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:03,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:03,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:14:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:14:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:14:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:14:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:14:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:14:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:14:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:14:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:14:03,738 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:03,741 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:04,717 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:04,821 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:04,821 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:04,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:04 BoogieIcfgContainer [2023-11-24 23:14:04,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:04,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:04,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:04,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:04,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:02" (1/3) ... [2023-11-24 23:14:04,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5716f144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:04, skipping insertion in model container [2023-11-24 23:14:04,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:03" (2/3) ... [2023-11-24 23:14:04,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5716f144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:04, skipping insertion in model container [2023-11-24 23:14:04,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:04" (3/3) ... [2023-11-24 23:14:04,834 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-47.i [2023-11-24 23:14:04,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:04,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:04,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:04,935 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;@691af3d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:04,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:04,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 78 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-24 23:14:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:14:04,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:04,956 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:04,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:04,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:04,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1765476854, now seen corresponding path program 1 times [2023-11-24 23:14:04,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:04,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735718192] [2023-11-24 23:14:04,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:04,986 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 [2023-11-24 23:14:04,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:04,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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) [2023-11-24 23:14:04,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:05,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:14:05,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 23:14:05,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:05,496 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:05,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735718192] [2023-11-24 23:14:05,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735718192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:05,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:05,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:14:05,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083713253] [2023-11-24 23:14:05,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:05,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:14:05,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:05,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:14:05,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:14:05,556 INFO L87 Difference]: Start difference. First operand has 89 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 78 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-24 23:14:05,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:05,752 INFO L93 Difference]: Finished difference Result 201 states and 314 transitions. [2023-11-24 23:14:05,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:14:05,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-24 23:14:05,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:05,766 INFO L225 Difference]: With dead ends: 201 [2023-11-24 23:14:05,766 INFO L226 Difference]: Without dead ends: 113 [2023-11-24 23:14:05,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:14:05,775 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 90 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:05,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 523 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:14:05,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-24 23:14:05,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2023-11-24 23:14:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 79 states have internal predecessors, (114), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-24 23:14:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions. [2023-11-24 23:14:05,852 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 79 [2023-11-24 23:14:05,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:05,855 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions. [2023-11-24 23:14:05,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-24 23:14:05,856 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2023-11-24 23:14:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:14:05,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:05,864 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:05,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:06,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:06,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:06,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:06,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1162532520, now seen corresponding path program 1 times [2023-11-24 23:14:06,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:06,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792018141] [2023-11-24 23:14:06,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:06,072 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 [2023-11-24 23:14:06,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:06,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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) [2023-11-24 23:14:06,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:06,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:14:06,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:06,427 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 23:14:06,427 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:06,427 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:06,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792018141] [2023-11-24 23:14:06,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792018141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:06,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:06,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:14:06,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275956999] [2023-11-24 23:14:06,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:06,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:14:06,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:06,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:14:06,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:14:06,432 INFO L87 Difference]: Start difference. First operand 90 states and 132 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-24 23:14:06,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:06,564 INFO L93 Difference]: Finished difference Result 188 states and 275 transitions. [2023-11-24 23:14:06,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:14:06,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-24 23:14:06,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:06,567 INFO L225 Difference]: With dead ends: 188 [2023-11-24 23:14:06,568 INFO L226 Difference]: Without dead ends: 99 [2023-11-24 23:14:06,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:14:06,570 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 10 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:06,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 476 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:14:06,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-24 23:14:06,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 94. [2023-11-24 23:14:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 states have internal predecessors, (118), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-24 23:14:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2023-11-24 23:14:06,595 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 79 [2023-11-24 23:14:06,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:06,596 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2023-11-24 23:14:06,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-24 23:14:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2023-11-24 23:14:06,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:14:06,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:06,599 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:06,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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)] Ended with exit code 0 [2023-11-24 23:14:06,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:06,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:06,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:06,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1162472938, now seen corresponding path program 1 times [2023-11-24 23:14:06,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:06,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589026233] [2023-11-24 23:14:06,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:06,810 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 [2023-11-24 23:14:06,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:06,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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) [2023-11-24 23:14:06,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:07,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:14:07,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:07,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:14:07,391 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 30 treesize of output 26 [2023-11-24 23:14:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 23:14:07,464 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:07,464 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:07,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589026233] [2023-11-24 23:14:07,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589026233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:07,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:07,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:14:07,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268613519] [2023-11-24 23:14:07,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:07,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:14:07,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:07,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:14:07,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:14:07,468 INFO L87 Difference]: Start difference. First operand 94 states and 136 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-24 23:14:08,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:08,765 INFO L93 Difference]: Finished difference Result 292 states and 419 transitions. [2023-11-24 23:14:08,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:14:08,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-24 23:14:08,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:08,769 INFO L225 Difference]: With dead ends: 292 [2023-11-24 23:14:08,769 INFO L226 Difference]: Without dead ends: 199 [2023-11-24 23:14:08,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:14:08,772 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 135 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:08,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 369 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-24 23:14:08,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-11-24 23:14:08,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 97. [2023-11-24 23:14:08,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-24 23:14:08,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 140 transitions. [2023-11-24 23:14:08,787 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 140 transitions. Word has length 79 [2023-11-24 23:14:08,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:08,788 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 140 transitions. [2023-11-24 23:14:08,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-24 23:14:08,788 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2023-11-24 23:14:08,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:14:08,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:08,791 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:08,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:08,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:08,997 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:08,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:08,998 INFO L85 PathProgramCache]: Analyzing trace with hash -461408360, now seen corresponding path program 1 times [2023-11-24 23:14:08,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:08,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091032512] [2023-11-24 23:14:08,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:09,000 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 [2023-11-24 23:14:09,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:09,001 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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) [2023-11-24 23:14:09,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:09,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:14:09,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 23:14:09,288 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:09,291 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:09,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091032512] [2023-11-24 23:14:09,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091032512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:09,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:09,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:14:09,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744439469] [2023-11-24 23:14:09,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:09,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:14:09,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:09,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:14:09,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:14:09,301 INFO L87 Difference]: Start difference. First operand 97 states and 140 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-24 23:14:09,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:09,411 INFO L93 Difference]: Finished difference Result 221 states and 320 transitions. [2023-11-24 23:14:09,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:14:09,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-24 23:14:09,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:09,413 INFO L225 Difference]: With dead ends: 221 [2023-11-24 23:14:09,413 INFO L226 Difference]: Without dead ends: 125 [2023-11-24 23:14:09,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:14:09,415 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 81 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:09,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 534 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:14:09,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-24 23:14:09,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 98. [2023-11-24 23:14:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 87 states have (on average 1.4137931034482758) internal successors, (123), 87 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-24 23:14:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 141 transitions. [2023-11-24 23:14:09,435 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 141 transitions. Word has length 79 [2023-11-24 23:14:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:09,436 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 141 transitions. [2023-11-24 23:14:09,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-24 23:14:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 141 transitions. [2023-11-24 23:14:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:14:09,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:09,445 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:09,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:09,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:09,654 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:09,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:09,654 INFO L85 PathProgramCache]: Analyzing trace with hash -151355688, now seen corresponding path program 1 times [2023-11-24 23:14:09,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:09,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533094820] [2023-11-24 23:14:09,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:09,656 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 [2023-11-24 23:14:09,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:09,657 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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) [2023-11-24 23:14:09,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/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 [2023-11-24 23:14:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:10,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:14:10,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:10,254 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 [2023-11-24 23:14:11,230 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 104 treesize of output 55 [2023-11-24 23:14:11,844 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 104 treesize of output 55 [2023-11-24 23:14:12,442 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 101 treesize of output 63 [2023-11-24 23:14:13,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 66 [2023-11-24 23:14:13,900 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2023-11-24 23:14:13,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 114 treesize of output 90 [2023-11-24 23:14:14,145 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:14:14,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 71 [2023-11-24 23:14:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 40 proven. 56 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 23:14:14,680 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:14:15,260 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:15,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533094820] [2023-11-24 23:14:15,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533094820] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:14:15,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1240681495] [2023-11-24 23:14:15,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:15,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:15,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:14:15,266 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:14:15,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 23:14:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:17,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 23:14:17,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:17,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-24 23:14:19,162 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 112 treesize of output 59 [2023-11-24 23:14:20,148 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 109 treesize of output 67 [2023-11-24 23:14:21,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 84 [2023-11-24 23:14:22,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 95 [2023-11-24 23:14:23,538 INFO L349 Elim1Store]: treesize reduction 79, result has 16.0 percent of original size [2023-11-24 23:14:23,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 120 treesize of output 122 [2023-11-24 23:14:24,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 89 [2023-11-24 23:14:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 64 proven. 56 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:14:26,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:14:26,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1240681495] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:14:26,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725874203] [2023-11-24 23:14:26,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:26,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:14:26,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:26,500 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:14:26,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa5fcbe-6475-4012-9a7e-11c949d891b4/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-24 23:14:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:26,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 23:14:26,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:27,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-24 23:14:34,611 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 101 treesize of output 63 [2023-11-24 23:14:36,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 66 [2023-11-24 23:14:38,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 66 [2023-11-24 23:14:39,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 66 [2023-11-24 23:14:41,448 INFO L349 Elim1Store]: treesize reduction 55, result has 21.4 percent of original size [2023-11-24 23:14:41,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 114 treesize of output 90