./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/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_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/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_df1149bf-0e59-4310-ae41-cf053117a06f/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 8b032f5a857a45b1c2a35099704c59a34a967b916e033a3209200697cb561766 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:18:51,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:18:51,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:18:51,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:18:51,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:18:51,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:18:51,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:18:51,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:18:51,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:18:51,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:18:51,426 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:18:51,427 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:18:51,428 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:18:51,430 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:18:51,431 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:18:51,431 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:18:51,432 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:18:51,432 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:18:51,433 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:18:51,433 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:18:51,434 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:18:51,435 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:18:51,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:18:51,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:18:51,436 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:18:51,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:18:51,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:18:51,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:18:51,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:18:51,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:18:51,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:18:51,440 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:18:51,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:18:51,441 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:18:51,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:18:51,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:18:51,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:18:51,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:51,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:18:51,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:18:51,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:18:51,443 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:18:51,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:18:51,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:18:51,444 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:18:51,444 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:18:51,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:18:51,445 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_df1149bf-0e59-4310-ae41-cf053117a06f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b032f5a857a45b1c2a35099704c59a34a967b916e033a3209200697cb561766 [2023-11-24 23:18:51,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:18:51,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:18:51,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:18:51,806 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:18:51,807 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:18:51,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i [2023-11-24 23:18:55,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:18:55,555 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:18:55,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i [2023-11-24 23:18:55,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/data/6afe3df6e/894cdf9b310d41e5999f8b10154dd761/FLAGabf55a64a [2023-11-24 23:18:55,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/data/6afe3df6e/894cdf9b310d41e5999f8b10154dd761 [2023-11-24 23:18:55,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:18:55,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:18:55,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:55,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:18:55,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:18:55,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:55" (1/1) ... [2023-11-24 23:18:55,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a231d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:55, skipping insertion in model container [2023-11-24 23:18:55,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:55" (1/1) ... [2023-11-24 23:18:55,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:18:55,844 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_df1149bf-0e59-4310-ae41-cf053117a06f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i[913,926] [2023-11-24 23:18:55,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:55,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:18:55,959 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_df1149bf-0e59-4310-ae41-cf053117a06f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i[913,926] [2023-11-24 23:18:55,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:56,017 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:18:56,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56 WrapperNode [2023-11-24 23:18:56,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:56,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:56,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:18:56,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:18:56,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,099 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-24 23:18:56,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:56,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:18:56,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:18:56,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:18:56,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:18:56,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:18:56,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:18:56,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:18:56,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (1/1) ... [2023-11-24 23:18:56,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:56,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:18:56,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:18:56,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:18:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:18:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:18:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:18:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:18:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:18:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:18:56,340 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:18:56,343 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:18:56,879 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:18:57,394 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:18:57,394 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:18:57,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:57 BoogieIcfgContainer [2023-11-24 23:18:57,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:18:57,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:18:57,403 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:18:57,408 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:18:57,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:18:55" (1/3) ... [2023-11-24 23:18:57,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751edef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:57, skipping insertion in model container [2023-11-24 23:18:57,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:56" (2/3) ... [2023-11-24 23:18:57,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751edef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:57, skipping insertion in model container [2023-11-24 23:18:57,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:57" (3/3) ... [2023-11-24 23:18:57,416 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-67.i [2023-11-24 23:18:57,445 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:18:57,446 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:18:57,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:18:57,517 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;@4acda32d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:18:57,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:18:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:18:57,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:18:57,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:57,539 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:57,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:57,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:57,548 INFO L85 PathProgramCache]: Analyzing trace with hash 546865631, now seen corresponding path program 1 times [2023-11-24 23:18:57,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:18:57,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499304880] [2023-11-24 23:18:57,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:57,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:18:57,861 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:18:57,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078545629] [2023-11-24 23:18:57,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:57,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:18:57,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:18:57,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:18:57,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:18:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:18:58,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:18:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:18:58,543 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:18:58,546 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:18:58,548 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:18:58,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:18:58,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:18:58,777 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:18:58,783 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:18:58,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:18:58 BoogieIcfgContainer [2023-11-24 23:18:58,943 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:18:58,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:18:58,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:18:58,945 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:18:58,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:57" (3/4) ... [2023-11-24 23:18:58,948 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:18:58,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:18:58,952 INFO L158 Benchmark]: Toolchain (without parser) took 3354.35ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 110.7MB in the beginning and 109.6MB in the end (delta: 1.1MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2023-11-24 23:18:58,953 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:18:58,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.58ms. Allocated memory is still 157.3MB. Free memory was 110.7MB in the beginning and 97.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:18:58,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.05ms. Allocated memory is still 157.3MB. Free memory was 97.5MB in the beginning and 93.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:18:58,963 INFO L158 Benchmark]: Boogie Preprocessor took 41.92ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 92.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:18:58,965 INFO L158 Benchmark]: RCFGBuilder took 1254.12ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 91.9MB in the beginning and 160.0MB in the end (delta: -68.1MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-11-24 23:18:58,967 INFO L158 Benchmark]: TraceAbstraction took 1540.76ms. Allocated memory is still 209.7MB. Free memory was 158.9MB in the beginning and 110.7MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-24 23:18:58,968 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 209.7MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:18:58,974 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.58ms. Allocated memory is still 157.3MB. Free memory was 110.7MB in the beginning and 97.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.05ms. Allocated memory is still 157.3MB. Free memory was 97.5MB in the beginning and 93.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.92ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 92.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1254.12ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 91.9MB in the beginning and 160.0MB in the end (delta: -68.1MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1540.76ms. Allocated memory is still 209.7MB. Free memory was 158.9MB in the beginning and 110.7MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 6.30ms. Allocated memory is still 209.7MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * 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 59, overapproximation of bitwiseOr at line 61, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryArithmeticFLOAToperation at line 55, overapproximation of someUnaryFLOAToperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9.75; [L23] signed long int var_1_2 = 100; [L24] unsigned char var_1_3 = 1; [L25] signed long int var_1_4 = 25; [L26] signed long int var_1_5 = 10; [L27] unsigned char var_1_6 = 1; [L28] float var_1_7 = 7.5; [L29] signed long int var_1_8 = -1000; [L30] float var_1_9 = 9.25; [L31] float var_1_10 = 64.5; [L32] float var_1_11 = 16.25; [L33] signed char var_1_12 = 2; [L34] signed char var_1_13 = 8; [L35] signed char var_1_14 = 0; [L36] float var_1_15 = 0.6; [L37] signed char var_1_16 = 32; [L38] unsigned short int var_1_17 = 2; [L39] unsigned char var_1_18 = 1; [L40] unsigned short int var_1_19 = 63241; [L41] unsigned short int var_1_20 = 58697; [L42] unsigned short int var_1_21 = 25516; [L43] unsigned long int var_1_22 = 3301682525; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L90] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L91] var_1_4 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L93] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L94] var_1_5 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L96] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L97] var_1_6 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L99] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L100] var_1_8 = __VERIFIER_nondet_long() [L101] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13, var_1_9=37/4] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13, var_1_9=37/4] [L102] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13, var_1_9=37/4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13, var_1_9=37/4] [L103] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13, var_1_9=37/4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13, var_1_9=37/4] [L104] var_1_9 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L106] var_1_10 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L108] var_1_11 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L110] var_1_13 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L112] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L113] var_1_14 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L115] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L116] var_1_18 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L118] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L119] var_1_19 = __VERIFIER_nondet_ushort() [L120] CALL assume_abort_if_not(var_1_19 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_19 >= 32767) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L121] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L122] var_1_20 = __VERIFIER_nondet_ushort() [L123] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L124] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L125] var_1_21 = __VERIFIER_nondet_ushort() [L126] CALL assume_abort_if_not(var_1_21 >= 24575) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_21 >= 24575) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L127] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L128] var_1_22 = __VERIFIER_nondet_ulong() [L129] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L130] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=51, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13] [L143] RET updateVariables() [L144] CALL step() [L47] COND FALSE !(50 != var_1_2) [L50] var_1_3 = (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6) [L51] COND FALSE !(((var_1_2 + 100) / var_1_8) >= var_1_5) [L58] var_1_12 = (var_1_13 - var_1_14) [L59] var_1_15 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) [L60] COND TRUE var_1_1 > (var_1_11 + var_1_7) [L61] EXPR ((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2 [L61] COND FALSE !(var_1_14 < (((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2)) [L66] var_1_16 = var_1_13 [L69] COND TRUE \read(var_1_3) [L70] COND TRUE \read(var_1_6) [L71] COND FALSE !(\read(var_1_18)) [L74] var_1_17 = (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256)) [L144] RET step() [L145] CALL, EXPR property() [L135] EXPR ((((((50 != var_1_2) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6)))) && ((((var_1_2 + 100) / var_1_8) >= var_1_5) ? ((var_1_3 || (var_1_5 > (var_1_4 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((var_1_1 > (var_1_11 + var_1_7)) ? ((var_1_14 < (((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2)) ? (var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1) [L135-L136] return (((((((50 != var_1_2) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6)))) && ((((var_1_2 + 100) / var_1_8) >= var_1_5) ? ((var_1_3 || (var_1_5 > (var_1_4 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((var_1_1 > (var_1_11 + var_1_7)) ? ((var_1_14 < (((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2)) ? (var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1)) && (var_1_3 ? (var_1_6 ? (var_1_18 ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256))))) : (((var_1_22 - var_1_20) > (var_1_4 / var_1_8)) ? ((var_1_15 >= var_1_10) ? (var_1_17 == ((unsigned short int) var_1_14)) : 1) : 1)) : (var_1_17 == ((unsigned short int) var_1_21))) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_12=-19, var_1_13=32, var_1_14=51, var_1_15=2, var_1_16=32, var_1_17=24575, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_12=-19, var_1_13=32, var_1_14=51, var_1_15=2, var_1_16=32, var_1_17=24575, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=50, var_1_3=1, var_1_4=50, var_1_5=12, var_1_6=1, var_1_7=15/2, var_1_8=13, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:18:59,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/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_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/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_df1149bf-0e59-4310-ae41-cf053117a06f/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 8b032f5a857a45b1c2a35099704c59a34a967b916e033a3209200697cb561766 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:19:02,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:19:02,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:19:02,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:19:02,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:19:02,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:19:02,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:19:02,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:19:02,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:19:02,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:19:02,525 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:19:02,525 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:19:02,526 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:19:02,527 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:19:02,528 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:19:02,529 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:19:02,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:19:02,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:19:02,531 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:19:02,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:19:02,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:19:02,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:19:02,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:19:02,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:19:02,535 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:19:02,535 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:19:02,536 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:19:02,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:19:02,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:19:02,537 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:19:02,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:19:02,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:19:02,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:19:02,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:19:02,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:02,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:19:02,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:19:02,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:19:02,541 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:19:02,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:19:02,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:19:02,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:19:02,543 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:19:02,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:19:02,544 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_df1149bf-0e59-4310-ae41-cf053117a06f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b032f5a857a45b1c2a35099704c59a34a967b916e033a3209200697cb561766 [2023-11-24 23:19:03,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:19:03,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:19:03,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:19:03,113 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:19:03,113 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:19:03,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i [2023-11-24 23:19:06,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:19:07,123 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:19:07,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i [2023-11-24 23:19:07,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/data/0b1900adb/114062185e3842debe44e27f3f36d163/FLAGe9d260b6a [2023-11-24 23:19:07,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/data/0b1900adb/114062185e3842debe44e27f3f36d163 [2023-11-24 23:19:07,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:19:07,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:19:07,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:07,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:19:07,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:19:07,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141d6183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07, skipping insertion in model container [2023-11-24 23:19:07,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:19:07,423 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_df1149bf-0e59-4310-ae41-cf053117a06f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i[913,926] [2023-11-24 23:19:07,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:19:07,508 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:19:07,523 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_df1149bf-0e59-4310-ae41-cf053117a06f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i[913,926] [2023-11-24 23:19:07,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:19:07,579 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:19:07,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07 WrapperNode [2023-11-24 23:19:07,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:07,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:19:07,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:19:07,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:19:07,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,645 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-24 23:19:07,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:19:07,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:19:07,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:19:07,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:19:07,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:19:07,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:19:07,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:19:07,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:19:07,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:07,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:19:07,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:19:07,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:19:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:19:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:19:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:19:07,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:19:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:19:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:19:07,968 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:19:07,974 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:19:10,543 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:19:10,647 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:19:10,648 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:19:10,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:10 BoogieIcfgContainer [2023-11-24 23:19:10,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:19:10,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:19:10,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:19:10,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:19:10,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:19:07" (1/3) ... [2023-11-24 23:19:10,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310afceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:19:10, skipping insertion in model container [2023-11-24 23:19:10,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (2/3) ... [2023-11-24 23:19:10,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310afceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:19:10, skipping insertion in model container [2023-11-24 23:19:10,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:10" (3/3) ... [2023-11-24 23:19:10,665 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-67.i [2023-11-24 23:19:10,689 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:19:10,689 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:19:10,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:19:10,768 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;@1b5c4aa0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:19:10,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:19:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:19:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-24 23:19:10,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:10,802 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:10,804 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:19:10,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:10,813 INFO L85 PathProgramCache]: Analyzing trace with hash 282924260, now seen corresponding path program 1 times [2023-11-24 23:19:10,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:19:10,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607895582] [2023-11-24 23:19:10,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:10,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:19:10,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:19:10,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:19:10,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:19:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:19:11,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:19:11,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:19:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-24 23:19:11,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:19:11,462 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:19:11,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607895582] [2023-11-24 23:19:11,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607895582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:19:11,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:19:11,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:19:11,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910178009] [2023-11-24 23:19:11,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:19:11,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:19:11,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:19:11,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:19:11,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:19:11,535 INFO L87 Difference]: Start difference. First operand has 69 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-24 23:19:12,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:19:12,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:19:12,731 INFO L93 Difference]: Finished difference Result 135 states and 246 transitions. [2023-11-24 23:19:12,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:19:12,758 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 166 [2023-11-24 23:19:12,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:19:12,769 INFO L225 Difference]: With dead ends: 135 [2023-11-24 23:19:12,769 INFO L226 Difference]: Without dead ends: 67 [2023-11-24 23:19:12,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:19:12,778 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:19:12,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-24 23:19:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-24 23:19:12,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-24 23:19:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:19:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 105 transitions. [2023-11-24 23:19:12,845 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 105 transitions. Word has length 166 [2023-11-24 23:19:12,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:19:12,846 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 105 transitions. [2023-11-24 23:19:12,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-24 23:19:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2023-11-24 23:19:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-24 23:19:12,853 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:12,854 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:12,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:19:13,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:19:13,066 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:19:13,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:13,068 INFO L85 PathProgramCache]: Analyzing trace with hash -10620580, now seen corresponding path program 1 times [2023-11-24 23:19:13,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:19:13,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503515137] [2023-11-24 23:19:13,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:13,070 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:19:13,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:19:13,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:19:13,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:19:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:19:13,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:19:13,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:19:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-24 23:19:14,346 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:19:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-24 23:19:14,960 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:19:14,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503515137] [2023-11-24 23:19:14,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503515137] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:19:14,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1091044530] [2023-11-24 23:19:14,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:14,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:19:14,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:19:14,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:19:15,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:19:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:19:16,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:19:16,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:19:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-24 23:19:16,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:19:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-24 23:19:17,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1091044530] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:19:17,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75311927] [2023-11-24 23:19:17,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:17,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:19:17,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:19:17,410 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:19:17,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 23:19:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:19:17,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:19:17,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:19:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 566 proven. 120 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2023-11-24 23:19:19,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:19:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-24 23:19:19,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75311927] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:19:19,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-24 23:19:19,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 9, 6] total 12 [2023-11-24 23:19:19,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163083930] [2023-11-24 23:19:19,576 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-24 23:19:19,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-24 23:19:19,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:19:19,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-24 23:19:19,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:19:19,589 INFO L87 Difference]: Start difference. First operand 67 states and 105 transitions. Second operand has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-11-24 23:19:22,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:19:22,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:19:22,325 INFO L93 Difference]: Finished difference Result 141 states and 213 transitions. [2023-11-24 23:19:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-24 23:19:22,350 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 166 [2023-11-24 23:19:22,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:19:22,354 INFO L225 Difference]: With dead ends: 141 [2023-11-24 23:19:22,354 INFO L226 Difference]: Without dead ends: 75 [2023-11-24 23:19:22,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1001 GetRequests, 979 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2023-11-24 23:19:22,358 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 123 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:19:22,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 122 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-24 23:19:22,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-24 23:19:22,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2023-11-24 23:19:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.146341463414634) internal successors, (47), 41 states have internal predecessors, (47), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:19:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2023-11-24 23:19:22,387 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 166 [2023-11-24 23:19:22,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:19:22,389 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2023-11-24 23:19:22,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-11-24 23:19:22,390 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2023-11-24 23:19:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-24 23:19:22,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:22,395 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:22,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/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 [2023-11-24 23:19:22,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:19:22,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:19:23,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-24 23:19:23,007 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:19:23,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:23,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1857746322, now seen corresponding path program 1 times [2023-11-24 23:19:23,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:19:23,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706874830] [2023-11-24 23:19:23,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:23,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:19:23,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:19:23,011 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:19:23,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1149bf-0e59-4310-ae41-cf053117a06f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-24 23:19:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:19:23,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:19:23,440 INFO L285 TraceCheckSpWp]: Computing forward predicates...