./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/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_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/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_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/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 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:04:47,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:04:47,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:04:47,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:04:47,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:04:47,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:04:47,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:04:47,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:04:47,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:04:48,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:04:48,004 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:04:48,004 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:04:48,005 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:04:48,007 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:04:48,007 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:04:48,008 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:04:48,008 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:04:48,009 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:04:48,009 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:04:48,010 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:04:48,010 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:04:48,011 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:04:48,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:04:48,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:04:48,013 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:04:48,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:04:48,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:04:48,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:04:48,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:04:48,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:04:48,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:04:48,016 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:04:48,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:04:48,017 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:04:48,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:04:48,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:04:48,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:04:48,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:04:48,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:04:48,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:04:48,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:04:48,029 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:04:48,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:04:48,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:04:48,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:04:48,030 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:04:48,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:04:48,030 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_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 [2023-11-25 00:04:48,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:04:48,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:04:48,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:04:48,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:04:48,380 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:04:48,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-25 00:04:51,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:04:51,887 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:04:51,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-25 00:04:51,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/data/779ff804a/c917b9a1ff1c4b8fbf36cb2cfb89f730/FLAG008c02c30 [2023-11-25 00:04:51,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/data/779ff804a/c917b9a1ff1c4b8fbf36cb2cfb89f730 [2023-11-25 00:04:51,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:04:51,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:04:51,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:04:51,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:04:51,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:04:51,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:04:51" (1/1) ... [2023-11-25 00:04:51,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2481dc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:51, skipping insertion in model container [2023-11-25 00:04:51,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:04:51" (1/1) ... [2023-11-25 00:04:51,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:04:52,156 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_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-25 00:04:52,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:52,294 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:04:52,307 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_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-25 00:04:52,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:52,388 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:04:52,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52 WrapperNode [2023-11-25 00:04:52,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:04:52,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:52,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:04:52,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:04:52,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,494 INFO L138 Inliner]: procedures = 29, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 572 [2023-11-25 00:04:52,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:52,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:04:52,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:04:52,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:04:52,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:04:52,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:04:52,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:04:52,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:04:52,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (1/1) ... [2023-11-25 00:04:52,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:04:52,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:04:52,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:04:52,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:04:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:04:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:04:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:04:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:04:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:04:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:04:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:04:52,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:04:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:04:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:04:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:04:52,822 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:04:52,824 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:04:53,597 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:04:54,712 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:04:54,713 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:04:54,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:54 BoogieIcfgContainer [2023-11-25 00:04:54,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:04:54,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:04:54,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:04:54,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:04:54,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:04:51" (1/3) ... [2023-11-25 00:04:54,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76141b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:54, skipping insertion in model container [2023-11-25 00:04:54,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:52" (2/3) ... [2023-11-25 00:04:54,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76141b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:54, skipping insertion in model container [2023-11-25 00:04:54,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:54" (3/3) ... [2023-11-25 00:04:54,730 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-49.i [2023-11-25 00:04:54,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:04:54,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:04:54,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:04:54,823 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;@6bcaa65a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:04:54,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:04:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:04:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-25 00:04:54,841 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:54,843 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:54,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:54,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:54,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1835966894, now seen corresponding path program 1 times [2023-11-25 00:04:54,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:54,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440238117] [2023-11-25 00:04:54,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:54,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:04:59,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:05:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:05:02,656 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:05:02,658 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:05:02,660 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:05:02,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:05:02,667 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:05:02,671 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:05:02,713 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-25 00:05:02,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-25 00:05:02,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-25 00:05:02,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-25 00:05:02,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-25 00:05:02,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-25 00:05:02,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-25 00:05:02,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-25 00:05:02,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-25 00:05:02,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-25 00:05:02,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-25 00:05:02,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-25 00:05:02,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-25 00:05:02,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-25 00:05:02,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-25 00:05:02,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-25 00:05:02,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-25 00:05:02,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-25 00:05:02,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-25 00:05:02,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-25 00:05:02,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-25 00:05:02,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-25 00:05:02,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-25 00:05:02,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-25 00:05:02,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-11-25 00:05:02,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-25 00:05:02,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-25 00:05:02,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-25 00:05:02,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-25 00:05:02,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-11-25 00:05:02,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-25 00:05:02,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-25 00:05:02,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-25 00:05:02,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-25 00:05:02,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-25 00:05:02,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-25 00:05:02,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-25 00:05:02,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-25 00:05:02,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-25 00:05:02,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-25 00:05:02,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-25 00:05:02,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-25 00:05:02,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-25 00:05:02,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-25 00:05:02,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-25 00:05:02,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-25 00:05:02,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-25 00:05:02,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-25 00:05:02,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-25 00:05:02,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-25 00:05:02,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-25 00:05:02,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-25 00:05:02,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:05:02 BoogieIcfgContainer [2023-11-25 00:05:02,753 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:05:02,753 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:05:02,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:05:02,754 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:05:02,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:54" (3/4) ... [2023-11-25 00:05:02,757 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:05:02,758 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:05:02,760 INFO L158 Benchmark]: Toolchain (without parser) took 10842.42ms. Allocated memory was 151.0MB in the beginning and 413.1MB in the end (delta: 262.1MB). Free memory was 98.5MB in the beginning and 304.3MB in the end (delta: -205.8MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2023-11-25 00:05:02,760 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:05:02,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.37ms. Allocated memory is still 151.0MB. Free memory was 98.0MB in the beginning and 80.5MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-25 00:05:02,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.33ms. Allocated memory is still 151.0MB. Free memory was 80.5MB in the beginning and 75.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:05:02,763 INFO L158 Benchmark]: Boogie Preprocessor took 76.19ms. Allocated memory is still 151.0MB. Free memory was 75.0MB in the beginning and 70.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:05:02,764 INFO L158 Benchmark]: RCFGBuilder took 2143.80ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 70.8MB in the beginning and 93.8MB in the end (delta: -23.1MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-11-25 00:05:02,765 INFO L158 Benchmark]: TraceAbstraction took 8033.91ms. Allocated memory was 195.0MB in the beginning and 413.1MB in the end (delta: 218.1MB). Free memory was 93.8MB in the beginning and 304.3MB in the end (delta: -210.5MB). Peak memory consumption was 191.6MB. Max. memory is 16.1GB. [2023-11-25 00:05:02,765 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 413.1MB. Free memory is still 304.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:05:02,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.37ms. Allocated memory is still 151.0MB. Free memory was 98.0MB in the beginning and 80.5MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.33ms. Allocated memory is still 151.0MB. Free memory was 80.5MB in the beginning and 75.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.19ms. Allocated memory is still 151.0MB. Free memory was 75.0MB in the beginning and 70.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2143.80ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 70.8MB in the beginning and 93.8MB in the end (delta: -23.1MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8033.91ms. Allocated memory was 195.0MB in the beginning and 413.1MB in the end (delta: 218.1MB). Free memory was 93.8MB in the beginning and 304.3MB in the end (delta: -210.5MB). Peak memory consumption was 191.6MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 413.1MB. Free memory is still 304.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of shiftRight at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L25-L27] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] FCALL updateLastVariables() [L99] CALL updateVariables() [L65] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L71] float_Array_0[0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] float_Array_0[1] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L75] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L76] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L78] unsigned_short_int_Array_0[0][0] = __VERIFIER_nondet_ushort() [L79] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L82] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L84] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L85] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L99] RET updateVariables() [L100] CALL step() [L37] EXPR signed_short_int_Array_0[0] [L37] EXPR ((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]) [L37] EXPR signed_short_int_Array_0[0] [L37] EXPR ((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]) [L37] signed_short_int_Array_0[1] = ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]))) [L38] EXPR unsigned_short_int_Array_0[0][1] [L38] EXPR 50 >> unsigned_short_int_Array_0[0][1] [L38] EXPR signed_short_int_Array_0[1] [L38] COND FALSE !((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) [L41] EXPR BOOL_unsigned_char_Array_0[1][1] [L41] BOOL_unsigned_char_Array_0[0][1] = (! BOOL_unsigned_char_Array_0[1][1]) [L43] EXPR BOOL_unsigned_char_Array_0[0][0] [L43] COND TRUE ! BOOL_unsigned_char_Array_0[0][0] [L44] EXPR unsigned_short_int_Array_0[0][1] [L44] EXPR unsigned_short_int_Array_0[0][0] [L44] EXPR signed_short_int_Array_0[1] [L44] EXPR ((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1]) [L44] EXPR signed_short_int_Array_0[1] [L44] EXPR ((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1]) [L44] COND TRUE unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1]))) [L45] EXPR BOOL_unsigned_char_Array_0[0][1] [L45] EXPR BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1] [L45] EXPR BOOL_unsigned_char_Array_0[1][1] [L45] EXPR BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1] [L45] BOOL_unsigned_char_Array_0[1][0] = (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]) [L50] EXPR float_Array_0[1] [L50] COND FALSE !(float_Array_0[1] >= 64.5f) [L61] unsigned_short_int_Array_0[1][1] = 50 [L100] RET step() [L101] CALL, EXPR property() [L91] EXPR float_Array_0[1] [L91] EXPR (float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50)) [L91] EXPR float_Array_0[1] [L91] EXPR float_Array_0[0] [L91] EXPR (float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0]))) [L91] EXPR BOOL_unsigned_char_Array_0[1][0] [L91] EXPR BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])) [L91] EXPR unsigned_short_int_Array_0[1][1] [L91] EXPR unsigned_short_int_Array_0[0][0] [L91] EXPR BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])) [L91] EXPR (float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0]))) [L91] EXPR (float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50)) [L91] EXPR ((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]))))) [L91] EXPR (((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1])))) [L91] EXPR ((((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))))) && ((! BOOL_unsigned_char_Array_0[0][0]) ? ((unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) : 1) [L91-L92] return ((((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))))) && ((! BOOL_unsigned_char_Array_0[0][0]) ? ((unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) : 1) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:05:02,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/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_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/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_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/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 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:05:05,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:05:05,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:05:05,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:05:05,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:05:05,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:05:05,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:05:05,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:05:05,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:05:05,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:05:05,614 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:05:05,615 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:05:05,616 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:05:05,616 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:05:05,617 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:05:05,618 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:05:05,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:05:05,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:05:05,620 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:05:05,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:05:05,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:05:05,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:05:05,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:05:05,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:05:05,624 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:05:05,624 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:05:05,625 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:05:05,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:05:05,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:05:05,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:05:05,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:05:05,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:05:05,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:05:05,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:05:05,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:05:05,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:05:05,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:05:05,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:05:05,630 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:05:05,631 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:05:05,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:05:05,632 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:05:05,632 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:05:05,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:05:05,633 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_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 [2023-11-25 00:05:05,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:05:06,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:05:06,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:05:06,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:05:06,019 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:05:06,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-25 00:05:09,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:05:09,738 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:05:09,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-25 00:05:09,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/data/fc0e9e868/1ab746d24b6f4bc8a45506fc25b524c9/FLAG359ba0946 [2023-11-25 00:05:09,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/data/fc0e9e868/1ab746d24b6f4bc8a45506fc25b524c9 [2023-11-25 00:05:09,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:05:09,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:05:09,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:05:09,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:05:09,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:05:09,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:05:09" (1/1) ... [2023-11-25 00:05:09,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ff4dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:09, skipping insertion in model container [2023-11-25 00:05:09,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:05:09" (1/1) ... [2023-11-25 00:05:09,816 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:05:10,018 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_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-25 00:05:10,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:05:10,203 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:05:10,231 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_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-25 00:05:10,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:05:10,367 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:05:10,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10 WrapperNode [2023-11-25 00:05:10,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:05:10,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:05:10,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:05:10,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:05:10,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,473 INFO L138 Inliner]: procedures = 33, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 562 [2023-11-25 00:05:10,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:05:10,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:05:10,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:05:10,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:05:10,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:05:10,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:05:10,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:05:10,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:05:10,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (1/1) ... [2023-11-25 00:05:10,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:05:10,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:05:10,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:05:10,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:05:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:05:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:05:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-25 00:05:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:05:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-25 00:05:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-25 00:05:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-25 00:05:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-25 00:05:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:05:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:05:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:05:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:05:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:05:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-25 00:05:10,805 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:05:10,809 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:05:11,588 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:05:11,660 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:05:11,660 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:05:11,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:05:11 BoogieIcfgContainer [2023-11-25 00:05:11,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:05:11,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:05:11,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:05:11,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:05:11,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:05:09" (1/3) ... [2023-11-25 00:05:11,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592dd3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:05:11, skipping insertion in model container [2023-11-25 00:05:11,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:05:10" (2/3) ... [2023-11-25 00:05:11,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592dd3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:05:11, skipping insertion in model container [2023-11-25 00:05:11,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:05:11" (3/3) ... [2023-11-25 00:05:11,670 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-49.i [2023-11-25 00:05:11,689 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:05:11,690 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:05:11,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:05:11,751 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;@69a1ad64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:05:11,751 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:05:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 106 states have (on average 1.509433962264151) internal successors, (160), 107 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:05:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-25 00:05:11,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:05:11,776 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:05:11,777 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:05:11,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:05:11,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1411579665, now seen corresponding path program 1 times [2023-11-25 00:05:11,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:05:11,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410672965] [2023-11-25 00:05:11,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:05:11,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:05:11,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:05:11,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:05:11,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:05:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:05:12,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:05:12,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:05:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-25 00:05:12,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:05:12,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:05:12,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410672965] [2023-11-25 00:05:12,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410672965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:05:12,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:05:12,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:05:12,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270101773] [2023-11-25 00:05:12,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:05:12,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:05:12,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:05:12,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:05:12,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:05:12,301 INFO L87 Difference]: Start difference. First operand has 123 states, 106 states have (on average 1.509433962264151) internal successors, (160), 107 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-25 00:05:12,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:05:12,354 INFO L93 Difference]: Finished difference Result 243 states and 388 transitions. [2023-11-25 00:05:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:05:12,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2023-11-25 00:05:12,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:05:12,366 INFO L225 Difference]: With dead ends: 243 [2023-11-25 00:05:12,366 INFO L226 Difference]: Without dead ends: 121 [2023-11-25 00:05:12,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:05:12,374 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:05:12,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:05:12,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-25 00:05:12,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-11-25 00:05:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.4761904761904763) internal successors, (155), 105 states have internal predecessors, (155), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:05:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 183 transitions. [2023-11-25 00:05:12,425 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 183 transitions. Word has length 110 [2023-11-25 00:05:12,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:05:12,426 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 183 transitions. [2023-11-25 00:05:12,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-25 00:05:12,427 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 183 transitions. [2023-11-25 00:05:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-25 00:05:12,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:05:12,431 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:05:12,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/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 [2023-11-25 00:05:12,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:05:12,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:05:12,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:05:12,638 INFO L85 PathProgramCache]: Analyzing trace with hash -662795625, now seen corresponding path program 1 times [2023-11-25 00:05:12,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:05:12,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068734354] [2023-11-25 00:05:12,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:05:12,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:05:12,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:05:12,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:05:12,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-25 00:05:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:05:12,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-25 00:05:12,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:05:13,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-25 00:05:13,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2023-11-25 00:05:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-25 00:05:13,162 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:05:13,163 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:05:13,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068734354] [2023-11-25 00:05:13,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068734354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:05:13,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:05:13,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:05:13,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489290396] [2023-11-25 00:05:13,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:05:13,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:05:13,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:05:13,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:05:13,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:05:13,167 INFO L87 Difference]: Start difference. First operand 121 states and 183 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-25 00:05:13,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:05:13,924 INFO L93 Difference]: Finished difference Result 308 states and 465 transitions. [2023-11-25 00:05:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-25 00:05:13,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 110 [2023-11-25 00:05:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:05:13,928 INFO L225 Difference]: With dead ends: 308 [2023-11-25 00:05:13,928 INFO L226 Difference]: Without dead ends: 188 [2023-11-25 00:05:13,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:05:13,931 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 130 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-25 00:05:13,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 512 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-25 00:05:13,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-25 00:05:13,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 125. [2023-11-25 00:05:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 109 states have (on average 1.4678899082568808) internal successors, (160), 109 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:05:13,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 188 transitions. [2023-11-25 00:05:13,947 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 188 transitions. Word has length 110 [2023-11-25 00:05:13,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:05:13,949 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 188 transitions. [2023-11-25 00:05:13,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-25 00:05:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 188 transitions. [2023-11-25 00:05:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-25 00:05:13,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:05:13,953 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:05:13,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:05:14,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:05:14,160 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:05:14,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:05:14,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1894223140, now seen corresponding path program 1 times [2023-11-25 00:05:14,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:05:14,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960283064] [2023-11-25 00:05:14,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:05:14,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:05:14,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:05:14,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:05:14,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-25 00:05:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:05:14,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-25 00:05:14,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:05:14,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-25 00:05:15,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2023-11-25 00:05:15,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-25 00:05:16,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-25 00:05:16,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-25 00:05:16,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-25 00:05:16,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-25 00:05:17,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-25 00:05:17,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-25 00:05:17,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2023-11-25 00:05:17,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-25 00:05:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 245 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-25 00:05:17,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:05:17,771 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:05:17,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960283064] [2023-11-25 00:05:17,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960283064] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:05:17,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1159575610] [2023-11-25 00:05:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:05:17,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:05:17,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:05:17,775 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:05:17,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-25 00:05:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:05:18,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-25 00:05:18,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:05:18,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-25 00:05:19,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2023-11-25 00:05:20,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-25 00:05:20,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-25 00:05:21,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-25 00:05:21,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-25 00:05:21,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-25 00:05:22,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-25 00:05:22,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-25 00:05:22,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-25 00:05:22,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-25 00:05:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 245 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-25 00:05:22,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:05:22,939 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_111 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_111) |c_~#BOOL_unsigned_char_Array_0~0.base|) |c_~#BOOL_unsigned_char_Array_0~0.offset|)) (_ bv0 8))) is different from false [2023-11-25 00:05:22,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1159575610] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:05:22,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426860566] [2023-11-25 00:05:22,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:05:22,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:05:22,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:05:22,963 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:05:22,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaf0b16-44cd-48dc-8bfb-ea6a3b402e51/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-25 00:05:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:05:23,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-25 00:05:23,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:05:23,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-25 00:05:24,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-25 00:05:24,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-25 00:05:24,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-25 00:05:24,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2023-11-25 00:05:24,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2023-11-25 00:05:25,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2023-11-25 00:05:25,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:05:25,680 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 72 treesize of output 38 [2023-11-25 00:05:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 193 proven. 21 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-25 00:05:25,966 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:05:26,314 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_143 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_143) |c_~#signed_short_int_Array_0~0.base|))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 |c_~#signed_short_int_Array_0~0.offset|))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 (bvadd |c_~#signed_short_int_Array_0~0.offset| (_ bv2 32)))))) (not (bvslt .cse0 (_ bv0 32))))))) is different from false [2023-11-25 00:05:26,411 WARN L854 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_142 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_143 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (store (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_142) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_143) |c_~#signed_short_int_Array_0~0.base|))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 |c_~#signed_short_int_Array_0~0.offset|))))) (or (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 (bvadd |c_~#signed_short_int_Array_0~0.offset| (_ bv2 32)))))) (not (bvslt .cse0 (_ bv0 32))))))) (forall ((|ULTIMATE.start_step_#t~mem8#1| (_ BitVec 16))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem8#1|)) ((_ sign_extend 16) |c_ULTIMATE.start_step_#t~mem9#1|)))) is different from false [2023-11-25 00:05:27,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426860566] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:05:27,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:05:27,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 15] total 36 [2023-11-25 00:05:27,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863859366] [2023-11-25 00:05:27,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-25 00:05:27,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-25 00:05:27,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:05:27,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-25 00:05:27,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=1721, Unknown=13, NotChecked=264, Total=2256 [2023-11-25 00:05:27,116 INFO L87 Difference]: Start difference. First operand 125 states and 188 transitions. Second operand has 37 states, 34 states have (on average 4.264705882352941) internal successors, (145), 35 states have internal predecessors, (145), 13 states have call successors, (42), 10 states have call predecessors, (42), 13 states have return successors, (42), 11 states have call predecessors, (42), 13 states have call successors, (42)