./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2 --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 1825bc9a0285763e27450cd61a02fb9d706f8ecf9bea3df3659a486d8c0885be --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:12,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:13,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:33:13,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:13,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:13,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:13,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:13,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:13,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:13,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:13,120 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:13,120 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:13,121 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:13,121 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:13,123 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:13,124 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:13,124 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:13,125 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:13,125 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:13,125 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:13,126 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:13,130 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:13,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:13,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:13,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:33:13,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:13,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:33:13,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:13,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:13,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:13,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:13,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:13,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:33:13,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:13,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:13,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:13,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:13,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:13,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:13,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:13,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:13,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:13,139 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:13,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:13,140 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:13,141 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:13,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:13,141 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_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1825bc9a0285763e27450cd61a02fb9d706f8ecf9bea3df3659a486d8c0885be [2024-11-02 12:33:13,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:13,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:13,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:13,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:13,518 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:13,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i Unable to find full path for "g++" [2024-11-02 12:33:15,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:15,745 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:15,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i [2024-11-02 12:33:15,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/data/e4b7c2d05/94c4b866f8c048d2842eeeabf15ecf4a/FLAG7c00871c6 [2024-11-02 12:33:15,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/data/e4b7c2d05/94c4b866f8c048d2842eeeabf15ecf4a [2024-11-02 12:33:15,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:15,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:15,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:15,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:15,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:15,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:15" (1/1) ... [2024-11-02 12:33:15,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785315cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:15, skipping insertion in model container [2024-11-02 12:33:15,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:15" (1/1) ... [2024-11-02 12:33:15,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:16,049 WARN L251 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_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i[917,930] [2024-11-02 12:33:16,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:16,147 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:16,159 WARN L251 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_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i[917,930] [2024-11-02 12:33:16,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:16,222 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:16,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16 WrapperNode [2024-11-02 12:33:16,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:16,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:16,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:16,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:16,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,311 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2024-11-02 12:33:16,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:16,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:16,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:16,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:16,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:16,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:16,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:16,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:16,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (1/1) ... [2024-11-02 12:33:16,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:16,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:16,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:16,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:33:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:33:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:33:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:16,590 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:33:16,592 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:33:17,152 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-02 12:33:17,152 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:33:17,419 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:33:17,419 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:33:17,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:17 BoogieIcfgContainer [2024-11-02 12:33:17,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:33:17,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:33:17,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:33:17,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:33:17,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:33:15" (1/3) ... [2024-11-02 12:33:17,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3b4fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:17, skipping insertion in model container [2024-11-02 12:33:17,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:16" (2/3) ... [2024-11-02 12:33:17,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3b4fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:17, skipping insertion in model container [2024-11-02 12:33:17,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:17" (3/3) ... [2024-11-02 12:33:17,430 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-10.i [2024-11-02 12:33:17,451 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:33:17,452 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:33:17,544 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:33:17,553 INFO L333 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, 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;@1b0e3cc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:33:17,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:33:17,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:33:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-02 12:33:17,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:17,573 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:17,574 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:33:17,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:17,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1774186085, now seen corresponding path program 1 times [2024-11-02 12:33:17,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:17,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855527472] [2024-11-02 12:33:17,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:17,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:33:18,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:33:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:33:19,756 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:33:19,759 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:33:19,760 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:33:19,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:33:19,766 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:33:19,852 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:33:19,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:33:19 BoogieIcfgContainer [2024-11-02 12:33:19,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:33:19,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:33:19,858 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:33:19,859 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:33:19,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:17" (3/4) ... [2024-11-02 12:33:19,862 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:33:19,863 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:33:19,865 INFO L158 Benchmark]: Toolchain (without parser) took 4072.42ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 99.0MB in the beginning and 71.2MB in the end (delta: 27.8MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-11-02 12:33:19,865 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:33:19,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.13ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 82.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:33:19,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.26ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 77.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:33:19,867 INFO L158 Benchmark]: Boogie Preprocessor took 43.68ms. Allocated memory is still 134.2MB. Free memory was 77.6MB in the beginning and 75.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:33:19,868 INFO L158 Benchmark]: RCFGBuilder took 1061.83ms. Allocated memory is still 134.2MB. Free memory was 75.5MB in the beginning and 65.2MB in the end (delta: 10.3MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-02 12:33:19,868 INFO L158 Benchmark]: TraceAbstraction took 2436.01ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 64.4MB in the beginning and 71.2MB in the end (delta: -6.8MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-02 12:33:19,869 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 165.7MB. Free memory was 71.2MB in the beginning and 71.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:33:19,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.13ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 82.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.26ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 77.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.68ms. Allocated memory is still 134.2MB. Free memory was 77.6MB in the beginning and 75.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1061.83ms. Allocated memory is still 134.2MB. Free memory was 75.5MB in the beginning and 65.2MB in the end (delta: 10.3MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2436.01ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 64.4MB in the beginning and 71.2MB in the end (delta: -6.8MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 165.7MB. Free memory was 71.2MB in the beginning and 71.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 shiftLeft at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned short int var_1_4 = 58792; [L26] unsigned short int var_1_5 = 8; [L27] unsigned short int var_1_6 = 64; [L28] unsigned short int var_1_7 = 16; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 1; [L31] signed short int var_1_10 = 1000; [L32] signed short int var_1_11 = 1; [L33] signed short int var_1_12 = -25; [L34] signed short int var_1_13 = 25; [L35] unsigned short int var_1_14 = 5; [L36] unsigned char var_1_15 = 0; [L37] unsigned short int var_1_16 = 20511; [L38] unsigned long int var_1_17 = 50; [L39] unsigned short int var_1_18 = 10; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] FCALL updateLastVariables() [L135] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L90] var_1_3 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L93] var_1_4 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L96] var_1_5 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L99] var_1_6 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=16, var_1_8=0, var_1_9=1] [L102] var_1_7 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_8=0, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L105] var_1_9 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L108] var_1_11 = __VERIFIER_nondet_short() [L109] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L111] var_1_12 = __VERIFIER_nondet_short() [L112] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L113] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L114] var_1_13 = __VERIFIER_nondet_short() [L115] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L116] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L117] var_1_15 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L119] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_15=1, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_15=1, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L120] var_1_16 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L122] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=0, var_1_9=1] [L135] RET updateVariables() [L136] CALL step() [L43] unsigned char stepLocal_1 = var_1_3; [L44] unsigned short int stepLocal_0 = var_1_6; [L45] COND FALSE !(var_1_2 && stepLocal_1) [L48] COND FALSE !(((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < stepLocal_0) [L52] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) [L53] unsigned char stepLocal_3 = var_1_9; [L54] unsigned short int stepLocal_2 = var_1_1; [L55] COND TRUE stepLocal_2 < var_1_6 [L56] COND TRUE (var_1_6 != var_1_5) || stepLocal_3 [L57] var_1_10 = (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) [L64] COND TRUE \read(var_1_15) [L65] var_1_14 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))) [L67] EXPR var_1_16 << var_1_7 [L67] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L67] EXPR var_1_16 << var_1_7 [L67] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L67] signed long int stepLocal_4 = (((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7))); [L68] COND FALSE !(stepLocal_4 >= var_1_14) [L71] var_1_17 = (var_1_6 + var_1_5) [L73] unsigned short int stepLocal_5 = var_1_16; [L74] COND TRUE var_1_5 == stepLocal_5 [L75] COND FALSE !(\read(var_1_2)) [L78] var_1_18 = var_1_4 [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_1 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_15 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L127] EXPR var_1_16 << var_1_7 [L127] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L127] EXPR var_1_16 << var_1_7 [L127] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L127] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_1 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_15 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L127-L128] return ((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_1 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_15 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5))))) && ((var_1_5 == var_1_16) ? (var_1_2 ? (var_1_18 == ((unsigned short int) (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))))) : (var_1_18 == ((unsigned short int) var_1_4))) : (var_1_9 ? (var_1_18 == ((unsigned short int) 200)) : 1)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-1, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=32771, var_1_15=1, var_1_16=16383, var_1_17=49149, var_1_18=49154, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=-1, var_1_11=0, var_1_12=6382, var_1_13=-1, var_1_14=32771, var_1_15=1, var_1_16=16383, var_1_17=49149, var_1_18=49154, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=49154, var_1_5=16383, var_1_6=32766, var_1_7=32767, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 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 [2024-11-02 12:33:19,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/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_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2 --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 1825bc9a0285763e27450cd61a02fb9d706f8ecf9bea3df3659a486d8c0885be --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:22,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:22,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:33:22,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:22,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:22,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:22,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:22,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:22,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:22,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:22,561 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:22,561 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:22,562 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:22,563 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:22,564 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:22,565 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:22,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:22,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:22,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:33:22,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:33:22,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:22,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:22,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:22,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:22,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:33:22,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:33:22,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:22,573 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:33:22,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:33:22,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:22,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:22,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:22,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:33:22,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:22,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:22,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:22,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:22,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:22,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:22,579 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:33:22,579 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:33:22,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:22,580 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:22,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:22,581 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_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1825bc9a0285763e27450cd61a02fb9d706f8ecf9bea3df3659a486d8c0885be [2024-11-02 12:33:22,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:22,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:22,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:22,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:22,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:22,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i Unable to find full path for "g++" [2024-11-02 12:33:25,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:25,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:25,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i [2024-11-02 12:33:25,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/data/6700e51b2/82f9254aeb1a4ecbb17c192cd28c832a/FLAGcd7a2f6e2 [2024-11-02 12:33:25,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/data/6700e51b2/82f9254aeb1a4ecbb17c192cd28c832a [2024-11-02 12:33:25,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:25,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:25,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:25,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:25,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:25,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:25" (1/1) ... [2024-11-02 12:33:25,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19748e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:25, skipping insertion in model container [2024-11-02 12:33:25,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:25" (1/1) ... [2024-11-02 12:33:25,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:25,928 WARN L251 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_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i[917,930] [2024-11-02 12:33:26,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:26,046 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:26,061 WARN L251 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_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i[917,930] [2024-11-02 12:33:26,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:26,194 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:26,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26 WrapperNode [2024-11-02 12:33:26,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:26,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:26,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:26,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:26,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,246 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-02 12:33:26,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:26,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:26,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:26,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:26,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:26,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:26,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:26,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:26,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (1/1) ... [2024-11-02 12:33:26,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:26,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:26,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:26,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:33:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:33:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:33:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:26,436 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:33:26,438 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:33:26,837 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 12:33:26,838 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:33:26,858 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:33:26,858 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:33:26,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:26 BoogieIcfgContainer [2024-11-02 12:33:26,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:33:26,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:33:26,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:33:26,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:33:26,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:33:25" (1/3) ... [2024-11-02 12:33:26,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f133a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:26, skipping insertion in model container [2024-11-02 12:33:26,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:26" (2/3) ... [2024-11-02 12:33:26,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f133a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:26, skipping insertion in model container [2024-11-02 12:33:26,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:26" (3/3) ... [2024-11-02 12:33:26,866 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-10.i [2024-11-02 12:33:26,880 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:33:26,880 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:33:26,952 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:33:26,958 INFO L333 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, 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;@49f924d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:33:26,958 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:33:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:33:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-02 12:33:26,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:26,979 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:26,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:33:26,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:26,984 INFO L85 PathProgramCache]: Analyzing trace with hash 638460889, now seen corresponding path program 1 times [2024-11-02 12:33:26,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:33:26,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161427959] [2024-11-02 12:33:26,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:26,996 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 [2024-11-02 12:33:26,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:33:26,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:33:27,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:33:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:27,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:33:27,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:33:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-02 12:33:27,305 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:33:27,305 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:33:27,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161427959] [2024-11-02 12:33:27,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161427959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:27,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:27,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:33:27,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819408278] [2024-11-02 12:33:27,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:27,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:33:27,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:33:27,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:33:27,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:33:27,343 INFO L87 Difference]: Start difference. First operand has 67 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) 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, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-02 12:33:27,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:33:27,373 INFO L93 Difference]: Finished difference Result 127 states and 222 transitions. [2024-11-02 12:33:27,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:33:27,376 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, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2024-11-02 12:33:27,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:33:27,383 INFO L225 Difference]: With dead ends: 127 [2024-11-02 12:33:27,384 INFO L226 Difference]: Without dead ends: 63 [2024-11-02 12:33:27,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:33:27,392 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:33:27,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:33:27,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-02 12:33:27,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-02 12:33:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:33:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2024-11-02 12:33:27,448 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 150 [2024-11-02 12:33:27,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:33:27,448 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2024-11-02 12:33:27,449 INFO L472 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, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-02 12:33:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2024-11-02 12:33:27,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-02 12:33:27,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:27,453 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:27,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:33:27,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:33:27,657 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:33:27,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:27,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1651274713, now seen corresponding path program 1 times [2024-11-02 12:33:27,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:33:27,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290234037] [2024-11-02 12:33:27,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:27,659 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 [2024-11-02 12:33:27,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:33:27,663 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:33:27,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e9ce5-1f67-44c4-afea-4255dda1b5a3/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:33:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:28,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-02 12:33:28,064 INFO L278 TraceCheckSpWp]: Computing forward predicates...