./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.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_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh --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 1e357755ddc93171938fec8320e44e027908c569f567bc136dfcadeaa302c105 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:07:04,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:07:04,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:07:04,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:07:04,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:07:04,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:07:04,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:07:04,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:07:04,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:07:04,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:07:04,382 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:07:04,383 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:07:04,383 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:07:04,384 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:07:04,384 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:07:04,385 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:07:04,385 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:07:04,386 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:07:04,386 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:07:04,387 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:07:04,387 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:07:04,388 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:07:04,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:07:04,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:07:04,389 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:07:04,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:07:04,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:07:04,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:07:04,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:07:04,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:07:04,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:07:04,392 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:07:04,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:07:04,392 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:07:04,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:07:04,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:07:04,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:07:04,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:04,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:07:04,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:07:04,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:07:04,394 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:07:04,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:07:04,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:07:04,394 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:07:04,394 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:07:04,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:07:04,395 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_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e357755ddc93171938fec8320e44e027908c569f567bc136dfcadeaa302c105 [2023-12-02 13:07:04,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:07:04,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:07:04,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:07:04,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:07:04,641 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:07:04,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.i [2023-12-02 13:07:07,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:07:07,560 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:07:07,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.i [2023-12-02 13:07:07,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/data/cf4704dfc/dc67f496fc0c47e3818c7f38865778c4/FLAGeefac6345 [2023-12-02 13:07:07,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/data/cf4704dfc/dc67f496fc0c47e3818c7f38865778c4 [2023-12-02 13:07:07,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:07:07,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:07:07,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:07,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:07:07,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:07:07,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf7aac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07, skipping insertion in model container [2023-12-02 13:07:07,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:07:07,745 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_e8d92047-a5fc-405f-b290-e0be32e06f25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.i[913,926] [2023-12-02 13:07:07,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:07,820 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:07:07,829 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_e8d92047-a5fc-405f-b290-e0be32e06f25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.i[913,926] [2023-12-02 13:07:07,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:07,879 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:07:07,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07 WrapperNode [2023-12-02 13:07:07,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:07,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:07,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:07:07,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:07:07,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,940 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-12-02 13:07:07,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:07,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:07:07,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:07:07,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:07:07,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:07:07,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:07:07,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:07:07,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:07:07,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (1/1) ... [2023-12-02 13:07:07,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:08,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:08,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:07:08,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:07:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:07:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:07:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:07:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:07:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:07:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:07:08,146 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:07:08,148 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:07:08,487 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:07:08,712 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:07:08,712 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:07:08,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:08 BoogieIcfgContainer [2023-12-02 13:07:08,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:07:08,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:07:08,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:07:08,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:07:08,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:07:07" (1/3) ... [2023-12-02 13:07:08,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aedbd30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:08, skipping insertion in model container [2023-12-02 13:07:08,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:07" (2/3) ... [2023-12-02 13:07:08,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aedbd30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:08, skipping insertion in model container [2023-12-02 13:07:08,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:08" (3/3) ... [2023-12-02 13:07:08,722 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-21.i [2023-12-02 13:07:08,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:07:08,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:07:08,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:07:08,785 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;@520804a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:07:08,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:07:08,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 13:07:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 13:07:08,800 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:08,801 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:08,801 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:08,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:08,806 INFO L85 PathProgramCache]: Analyzing trace with hash -6380504, now seen corresponding path program 1 times [2023-12-02 13:07:08,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:07:08,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601358812] [2023-12-02 13:07:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:08,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:07:08,963 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:07:08,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039835351] [2023-12-02 13:07:08,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:08,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:07:08,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:08,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:07:08,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:07:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:07:09,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:07:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:07:09,497 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:07:09,499 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:07:09,500 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:07:09,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:07:09,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:07:09,706 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:07:09,709 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:07:09,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:07:09 BoogieIcfgContainer [2023-12-02 13:07:09,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:07:09,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:07:09,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:07:09,835 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:07:09,835 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:08" (3/4) ... [2023-12-02 13:07:09,837 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:07:09,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:07:09,839 INFO L158 Benchmark]: Toolchain (without parser) took 2250.10ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 99.2MB in the beginning and 141.5MB in the end (delta: -42.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:07:09,839 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:07:09,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.04ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 84.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:07:09,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.06ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 79.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:07:09,841 INFO L158 Benchmark]: Boogie Preprocessor took 47.69ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:07:09,842 INFO L158 Benchmark]: RCFGBuilder took 723.87ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 77.7MB in the beginning and 124.0MB in the end (delta: -46.3MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-12-02 13:07:09,842 INFO L158 Benchmark]: TraceAbstraction took 1117.61ms. Allocated memory is still 178.3MB. Free memory was 123.0MB in the beginning and 142.5MB in the end (delta: -19.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-12-02 13:07:09,843 INFO L158 Benchmark]: Witness Printer took 3.54ms. Allocated memory is still 178.3MB. Free memory was 142.5MB in the beginning and 141.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:07:09,846 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.04ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 84.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.06ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 79.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.69ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 723.87ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 77.7MB in the beginning and 124.0MB in the end (delta: -46.3MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1117.61ms. Allocated memory is still 178.3MB. Free memory was 123.0MB in the beginning and 142.5MB in the end (delta: -19.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 3.54ms. Allocated memory is still 178.3MB. Free memory was 142.5MB in the beginning and 141.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 someBinaryDOUBLEComparisonOperation at line 135, overapproximation of shiftLeft at line 60, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 10; [L23] signed long int var_1_2 = -500; [L24] signed char var_1_3 = 1; [L25] signed char var_1_4 = 100; [L26] signed char var_1_5 = 5; [L27] signed char var_1_6 = 32; [L28] signed char var_1_7 = 32; [L29] unsigned short int var_1_8 = 8; [L30] unsigned short int var_1_9 = 25; [L31] unsigned short int var_1_10 = 21451; [L32] unsigned short int var_1_11 = 16; [L33] unsigned char var_1_12 = 8; [L34] unsigned short int var_1_13 = 16; [L35] unsigned char var_1_14 = 1; [L36] signed long int var_1_15 = 0; [L37] unsigned short int var_1_16 = 53444; [L38] unsigned char var_1_17 = 0; [L39] unsigned char var_1_18 = 0; [L40] double var_1_19 = 1.2; [L41] signed char var_1_20 = 1; [L42] double var_1_21 = 10.5; [L43] double var_1_22 = 0.0; [L44] double var_1_23 = 10.4; [L45] double var_1_24 = 50.5; [L46] unsigned short int var_1_25 = 2; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L81] var_1_2 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=1, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=1, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L83] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=1, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=1, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L84] var_1_3 = __VERIFIER_nondet_char() [L85] CALL assume_abort_if_not(var_1_3 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_3 >= -127) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L86] CALL assume_abort_if_not(var_1_3 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_3 <= 126) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L87] var_1_4 = __VERIFIER_nondet_char() [L88] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L89] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L90] var_1_5 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L92] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8, var_1_9=25] [L93] var_1_6 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_6 >= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_6 >= 31) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=32, var_1_8=8, var_1_9=25] [L95] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=32, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=32, var_1_8=8, var_1_9=25] [L96] var_1_7 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=25] [L98] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=25] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=25] [L99] var_1_9 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8] [L101] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, var_1_10=21451, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L102] var_1_10 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, var_1_10=32767, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L104] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, var_1_10=32767, var_1_11=16, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L105] var_1_11 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L107] CALL assume_abort_if_not(var_1_11 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_11 <= 16383) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=1, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L108] var_1_14 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L110] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=0, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L111] var_1_15 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L113] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L114] var_1_16 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L116] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L117] var_1_18 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L119] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L120] var_1_20 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L122] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L123] var_1_21 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L125] var_1_22 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L127] var_1_23 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_24=101/2, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L129] var_1_24 = __VERIFIER_nondet_double() [L130] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=8, var_1_13=16, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_25=2, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=8, var_1_9=62] [L143] RET updateVariables() [L144] CALL step() [L50] COND TRUE var_1_2 >= -1000000 [L51] var_1_1 = ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) [L55] var_1_8 = (((var_1_7 + var_1_6) + var_1_9) + (var_1_10 - var_1_11)) [L56] COND TRUE var_1_8 == var_1_2 [L57] var_1_12 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) [L59] COND FALSE !(\read(var_1_14)) [L66] var_1_13 = (var_1_16 - var_1_10) [L68] COND TRUE ((((((((var_1_11) > (var_1_6)) ? (var_1_11) : (var_1_6)))) < (var_1_8)) ? (((((var_1_11) > (var_1_6)) ? (var_1_11) : (var_1_6)))) : (var_1_8))) > (var_1_3 * var_1_12) [L69] var_1_17 = var_1_18 [L71] COND TRUE var_1_1 >= (var_1_5 - var_1_20) [L72] var_1_19 = (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24) [L74] COND TRUE (var_1_13 < var_1_12) || var_1_14 [L75] var_1_25 = (((((var_1_11) > (var_1_9)) ? (var_1_11) : (var_1_9))) + var_1_7) [L144] RET step() [L145] CALL, EXPR property() [L135] EXPR ((((var_1_2 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_9) + (var_1_10 - var_1_11))))) && ((var_1_8 == var_1_2) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_14 ? ((((var_1_10 + var_1_9) << var_1_5) < var_1_15) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_9 + var_1_11))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) [L135] EXPR var_1_14 ? ((((var_1_10 + var_1_9) << var_1_5) < var_1_15) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_9 + var_1_11))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))) [L135] EXPR ((((var_1_2 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_9) + (var_1_10 - var_1_11))))) && ((var_1_8 == var_1_2) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_14 ? ((((var_1_10 + var_1_9) << var_1_5) < var_1_15) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_9 + var_1_11))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) [L135-L136] return (((((((var_1_2 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_9) + (var_1_10 - var_1_11))))) && ((var_1_8 == var_1_2) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_14 ? ((((var_1_10 + var_1_9) << var_1_5) < var_1_15) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))) ? (var_1_12) : (((((var_1_9) < (var_1_6)) ? (var_1_9) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_9 + var_1_11))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))))) && ((((((((((var_1_11) > (var_1_6)) ? (var_1_11) : (var_1_6)))) < (var_1_8)) ? (((((var_1_11) > (var_1_6)) ? (var_1_11) : (var_1_6)))) : (var_1_8))) > (var_1_3 * var_1_12)) ? (var_1_17 == ((unsigned char) var_1_18)) : 1)) && ((var_1_1 >= (var_1_5 - var_1_20)) ? (var_1_19 == ((double) (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24))) : 1)) && (((var_1_13 < var_1_12) || var_1_14) ? (var_1_25 == ((unsigned short int) (((((var_1_11) > (var_1_9)) ? (var_1_11) : (var_1_9))) + var_1_7))) : (var_1_25 == ((unsigned short int) var_1_7))) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_25=63, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=32831, var_1_9=62] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32767, var_1_11=62, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=32831, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_25=63, var_1_2=32831, var_1_3=30, var_1_4=0, var_1_5=-1, var_1_6=63, var_1_7=1, var_1_8=32831, var_1_9=62] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 32, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 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 [2023-12-02 13:07:09,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh --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 1e357755ddc93171938fec8320e44e027908c569f567bc136dfcadeaa302c105 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:07:11,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:07:11,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:07:11,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:07:11,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:07:11,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:07:11,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:07:11,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:07:11,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:07:11,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:07:11,959 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:07:11,959 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:07:11,960 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:07:11,960 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:07:11,960 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:07:11,961 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:07:11,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:07:11,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:07:11,963 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:07:11,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:07:11,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:07:11,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:07:11,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:07:11,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:07:11,966 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:07:11,966 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:07:11,967 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:07:11,967 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:07:11,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:07:11,968 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:07:11,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:07:11,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:07:11,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:07:11,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:07:11,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:11,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:07:11,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:07:11,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:07:11,970 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:07:11,970 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:07:11,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:07:11,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:07:11,971 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:07:11,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:07:11,971 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_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e357755ddc93171938fec8320e44e027908c569f567bc136dfcadeaa302c105 [2023-12-02 13:07:12,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:07:12,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:07:12,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:07:12,274 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:07:12,274 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:07:12,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.i [2023-12-02 13:07:15,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:07:15,262 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:07:15,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.i [2023-12-02 13:07:15,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/data/1e0d5f44c/2fecf823a9474eb1beeee4534f8e7024/FLAG7beb7fcc9 [2023-12-02 13:07:15,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/data/1e0d5f44c/2fecf823a9474eb1beeee4534f8e7024 [2023-12-02 13:07:15,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:07:15,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:07:15,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:15,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:07:15,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:07:15,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f3854b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15, skipping insertion in model container [2023-12-02 13:07:15,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:07:15,486 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_e8d92047-a5fc-405f-b290-e0be32e06f25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.i[913,926] [2023-12-02 13:07:15,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:15,565 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:07:15,578 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_e8d92047-a5fc-405f-b290-e0be32e06f25/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-21.i[913,926] [2023-12-02 13:07:15,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:07:15,630 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:07:15,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15 WrapperNode [2023-12-02 13:07:15,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:07:15,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:15,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:07:15,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:07:15,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,682 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-12-02 13:07:15,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:07:15,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:07:15,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:07:15,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:07:15,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:07:15,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:07:15,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:07:15,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:07:15,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (1/1) ... [2023-12-02 13:07:15,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:07:15,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:07:15,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:07:15,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:07:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:07:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:07:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:07:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:07:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:07:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:07:15,913 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:07:15,915 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:07:16,460 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:07:16,504 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:07:16,504 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:07:16,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:16 BoogieIcfgContainer [2023-12-02 13:07:16,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:07:16,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:07:16,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:07:16,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:07:16,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:07:15" (1/3) ... [2023-12-02 13:07:16,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd4cc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:16, skipping insertion in model container [2023-12-02 13:07:16,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:15" (2/3) ... [2023-12-02 13:07:16,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd4cc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:16, skipping insertion in model container [2023-12-02 13:07:16,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:16" (3/3) ... [2023-12-02 13:07:16,513 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-21.i [2023-12-02 13:07:16,531 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:07:16,531 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:07:16,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:07:16,586 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;@10ab9ea0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:07:16,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:07:16,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 13:07:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-02 13:07:16,609 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:16,610 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:16,610 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:16,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:16,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1139808842, now seen corresponding path program 1 times [2023-12-02 13:07:16,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:07:16,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522531841] [2023-12-02 13:07:16,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:16,627 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 [2023-12-02 13:07:16,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:07:16,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:07:16,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:07:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:16,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:07:16,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:07:17,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 974 proven. 0 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2023-12-02 13:07:17,041 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:07:17,042 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:07:17,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522531841] [2023-12-02 13:07:17,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522531841] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:07:17,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:07:17,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:07:17,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635046536] [2023-12-02 13:07:17,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:07:17,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:07:17,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:07:17,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:07:17,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:07:17,079 INFO L87 Difference]: Start difference. First operand has 71 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-02 13:07:17,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:07:17,875 INFO L93 Difference]: Finished difference Result 139 states and 254 transitions. [2023-12-02 13:07:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:07:17,891 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 190 [2023-12-02 13:07:17,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:07:17,897 INFO L225 Difference]: With dead ends: 139 [2023-12-02 13:07:17,898 INFO L226 Difference]: Without dead ends: 69 [2023-12-02 13:07:17,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:07:17,904 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:07:17,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 13:07:17,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-02 13:07:17,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-02 13:07:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 13:07:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 107 transitions. [2023-12-02 13:07:17,951 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 107 transitions. Word has length 190 [2023-12-02 13:07:17,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:07:17,951 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 107 transitions. [2023-12-02 13:07:17,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-02 13:07:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-12-02 13:07:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-02 13:07:17,956 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:07:17,956 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:07:17,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:07:18,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:07:18,157 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:07:18,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:07:18,158 INFO L85 PathProgramCache]: Analyzing trace with hash -110869586, now seen corresponding path program 1 times [2023-12-02 13:07:18,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:07:18,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898384532] [2023-12-02 13:07:18,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:07:18,159 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 [2023-12-02 13:07:18,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:07:18,161 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:07:18,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d92047-a5fc-405f-b290-e0be32e06f25/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:07:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:07:20,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 13:07:20,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:10:19,230 WARN L293 SmtUtils]: Spent 1.16m on a formula simplification that was a NOOP. DAG size: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:13:19,286 WARN L293 SmtUtils]: Spent 1.18m on a formula simplification. DAG size of input: 119 DAG size of output: 118 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)