./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.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_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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_0019c7a8-504e-4e7c-855e-75e5408f0c57/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 e14c549015d0f5635e62f75071e62e4bb462bdcfc99319d92dbe4063b5fd473b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:49,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:50,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:26:50,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:50,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:50,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:50,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:50,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:50,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:50,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:50,134 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:50,134 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:50,135 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:50,135 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:26:50,136 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:50,136 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:50,136 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:26:50,142 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:26:50,142 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:50,143 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:26:50,143 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:26:50,144 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:26:50,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:50,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:50,146 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:26:50,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:26:50,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:26:50,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:50,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:50,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:50,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:50,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:50,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:26:50,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:50,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:50,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:50,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:50,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:50,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:50,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:50,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:50,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:50,151 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:26:50,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:26:50,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:50,152 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:50,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:50,153 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_0019c7a8-504e-4e7c-855e-75e5408f0c57/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e14c549015d0f5635e62f75071e62e4bb462bdcfc99319d92dbe4063b5fd473b [2024-11-02 12:26:50,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:50,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:50,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:50,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:50,490 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:50,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i Unable to find full path for "g++" [2024-11-02 12:26:52,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:52,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:52,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i [2024-11-02 12:26:52,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/data/23fb3fc57/4753a16a794c4c67b7d535bf291dd726/FLAG204142f3f [2024-11-02 12:26:52,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/data/23fb3fc57/4753a16a794c4c67b7d535bf291dd726 [2024-11-02 12:26:52,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:52,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:52,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:52,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:52,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:52,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:52" (1/1) ... [2024-11-02 12:26:52,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64299d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:52, skipping insertion in model container [2024-11-02 12:26:52,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:52" (1/1) ... [2024-11-02 12:26:52,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:53,115 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_0019c7a8-504e-4e7c-855e-75e5408f0c57/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i[913,926] [2024-11-02 12:26:53,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:53,178 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:53,191 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_0019c7a8-504e-4e7c-855e-75e5408f0c57/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i[913,926] [2024-11-02 12:26:53,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:53,240 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:53,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53 WrapperNode [2024-11-02 12:26:53,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:53,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:53,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:53,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:53,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,288 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-11-02 12:26:53,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:53,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:53,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:53,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:53,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:53,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:53,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:53,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:53,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (1/1) ... [2024-11-02 12:26:53,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:53,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:53,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:53,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:53,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:53,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:53,509 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:53,822 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:53,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:54,011 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:54,012 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:26:54,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:54 BoogieIcfgContainer [2024-11-02 12:26:54,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:54,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:54,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:54,021 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:54,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:52" (1/3) ... [2024-11-02 12:26:54,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f4e7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:54, skipping insertion in model container [2024-11-02 12:26:54,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:53" (2/3) ... [2024-11-02 12:26:54,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f4e7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:54, skipping insertion in model container [2024-11-02 12:26:54,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:54" (3/3) ... [2024-11-02 12:26:54,026 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-63.i [2024-11-02 12:26:54,048 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:54,049 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:54,139 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:54,149 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;@70511bfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:54,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-02 12:26:54,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-02 12:26:54,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:54,169 INFO L215 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:54,170 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:54,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:54,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1876400192, now seen corresponding path program 1 times [2024-11-02 12:26:54,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:54,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891516741] [2024-11-02 12:26:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:54,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:26:54,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:26:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:26:54,849 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:26:54,851 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:26:54,853 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:26:54,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:26:54,860 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:26:54,962 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:26:54,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:26:54 BoogieIcfgContainer [2024-11-02 12:26:54,968 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:26:54,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:26:54,970 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:26:54,970 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:26:54,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:54" (3/4) ... [2024-11-02 12:26:54,975 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:26:54,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:26:54,977 INFO L158 Benchmark]: Toolchain (without parser) took 2095.38ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 105.0MB in the beginning and 121.1MB in the end (delta: -16.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-02 12:26:54,978 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 112.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:26:54,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.69ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 90.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:26:54,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.97ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 87.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:26:54,981 INFO L158 Benchmark]: Boogie Preprocessor took 29.62ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 86.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:26:54,982 INFO L158 Benchmark]: RCFGBuilder took 693.85ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 86.4MB in the beginning and 158.9MB in the end (delta: -72.4MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-02 12:26:54,983 INFO L158 Benchmark]: TraceAbstraction took 951.70ms. Allocated memory is still 192.9MB. Free memory was 158.9MB in the beginning and 122.2MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-02 12:26:54,985 INFO L158 Benchmark]: Witness Printer took 7.16ms. Allocated memory is still 192.9MB. Free memory was 122.2MB in the beginning and 121.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:26:54,990 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 112.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.69ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 90.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.97ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 87.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.62ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 86.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 693.85ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 86.4MB in the beginning and 158.9MB in the end (delta: -72.4MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * TraceAbstraction took 951.70ms. Allocated memory is still 192.9MB. Free memory was 158.9MB in the beginning and 122.2MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 7.16ms. Allocated memory is still 192.9MB. Free memory was 122.2MB in the beginning and 121.1MB 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 someBinaryFLOATComparisonOperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 8.3; [L24] float var_1_3 = 2.25; [L25] float var_1_4 = 10.3; [L26] unsigned char var_1_6 = 0; [L27] signed long int var_1_7 = 128; [L28] float var_1_8 = 9.8; [L29] unsigned long int var_1_13 = 1; [L30] unsigned long int var_1_14 = 32; [L31] signed char var_1_15 = -10; [L32] signed char var_1_16 = 16; [L33] signed char var_1_17 = 25; [L34] signed char var_1_18 = 1; [L35] signed char var_1_19 = 0; [L36] signed char var_1_20 = 32; [L37] signed short int var_1_21 = 256; [L38] signed char var_1_22 = 16; [L39] unsigned char var_1_23 = 0; [L40] signed short int last_1_var_1_21 = 256; [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L93] last_1_var_1_21 = var_1_21 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L62] var_1_2 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L64] var_1_3 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L66] var_1_4 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L68] var_1_6 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_7=128, var_1_8=49/5] [L70] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128, var_1_8=49/5] [L71] var_1_8 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L73] var_1_14 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L75] CALL assume_abort_if_not(var_1_14 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_14 <= 4294967294) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L76] var_1_16 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L78] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L79] var_1_17 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_17 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_17 >= -1) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L81] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L82] var_1_18 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L84] CALL assume_abort_if_not(var_1_18 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_18 <= 31) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L85] var_1_19 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L87] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L88] var_1_20 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L90] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=-256, var_1_7=128] [L104] RET updateVariables() [L105] CALL step() [L44] var_1_13 = var_1_14 [L45] var_1_21 = last_1_var_1_21 [L46] var_1_22 = var_1_16 [L47] var_1_23 = var_1_6 [L48] COND TRUE ((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4) [L49] var_1_1 = (var_1_23 && var_1_6) [L51] signed char stepLocal_0 = var_1_22; [L52] COND FALSE !(stepLocal_0 != ((((var_1_22) < (var_1_21)) ? (var_1_22) : (var_1_21)))) [L55] COND TRUE var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8) [L56] var_1_7 = (((((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) > (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))) [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((((((((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_23 && var_1_6))) : 1) && ((var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8)) ? (var_1_7 == ((signed long int) (((((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) > (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))))) : (var_1_7 == ((signed long int) var_1_22)))) && (var_1_13 == ((unsigned long int) var_1_14))) && ((var_1_22 != ((((var_1_22) < (var_1_21)) ? (var_1_22) : (var_1_21)))) ? (var_1_15 == ((signed char) ((((((10 + var_1_16)) < (var_1_17)) ? ((10 + var_1_16)) : (var_1_17))) - ((32 - var_1_18) + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : 1)) && (var_1_21 == ((signed short int) last_1_var_1_21))) && (var_1_22 == ((signed char) var_1_16))) && (var_1_23 == ((unsigned char) var_1_6)) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=4294967294, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=10] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=256, var_1_13=4294967294, var_1_14=4294967294, var_1_15=-10, var_1_16=0, var_1_17=10, var_1_18=12, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=-256, var_1_6=-256, var_1_7=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 18, 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=38occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 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 12:26:55,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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_0019c7a8-504e-4e7c-855e-75e5408f0c57/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 e14c549015d0f5635e62f75071e62e4bb462bdcfc99319d92dbe4063b5fd473b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:57,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:57,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:26:57,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:57,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:57,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:57,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:57,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:57,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:57,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:57,805 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:57,805 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:57,806 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:57,806 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:57,806 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:57,807 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:57,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:57,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:57,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:26:57,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:26:57,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:57,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:57,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:57,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:57,815 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:26:57,815 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:26:57,815 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:57,816 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:26:57,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:26:57,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:57,817 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:57,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:57,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:26:57,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:57,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:57,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:57,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:57,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:57,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:57,819 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:26:57,820 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:26:57,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:57,821 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:57,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:57,822 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_0019c7a8-504e-4e7c-855e-75e5408f0c57/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e14c549015d0f5635e62f75071e62e4bb462bdcfc99319d92dbe4063b5fd473b [2024-11-02 12:26:58,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:58,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:58,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:58,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:58,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:58,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i Unable to find full path for "g++" [2024-11-02 12:27:00,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:00,719 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:00,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i [2024-11-02 12:27:00,730 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/data/e941c4623/d4485b7687a24259ae914e62a51bd000/FLAG5302c083e [2024-11-02 12:27:01,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/data/e941c4623/d4485b7687a24259ae914e62a51bd000 [2024-11-02 12:27:01,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:01,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:01,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:01,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:01,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:01,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3beab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01, skipping insertion in model container [2024-11-02 12:27:01,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:01,281 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_0019c7a8-504e-4e7c-855e-75e5408f0c57/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i[913,926] [2024-11-02 12:27:01,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:01,380 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:01,394 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_0019c7a8-504e-4e7c-855e-75e5408f0c57/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-63.i[913,926] [2024-11-02 12:27:01,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:01,468 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:01,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01 WrapperNode [2024-11-02 12:27:01,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:01,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:01,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:01,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:01,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,539 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-02 12:27:01,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:01,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:01,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:01,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:01,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:01,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:01,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:01,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:01,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (1/1) ... [2024-11-02 12:27:01,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:01,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:01,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:01,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:27:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:27:01,676 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:27:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:01,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:01,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:01,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:27:04,420 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 12:27:04,420 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:27:04,439 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:27:04,440 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:27:04,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:04 BoogieIcfgContainer [2024-11-02 12:27:04,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:27:04,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:27:04,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:27:04,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:27:04,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:01" (1/3) ... [2024-11-02 12:27:04,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5a9320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:04, skipping insertion in model container [2024-11-02 12:27:04,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:01" (2/3) ... [2024-11-02 12:27:04,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5a9320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:04, skipping insertion in model container [2024-11-02 12:27:04,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:04" (3/3) ... [2024-11-02 12:27:04,453 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-63.i [2024-11-02 12:27:04,490 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:27:04,498 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:27:04,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:27:04,607 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;@10db1555, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:27:04,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:27:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-02 12:27:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:27:04,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:04,635 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:04,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:04,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:04,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1773879400, now seen corresponding path program 1 times [2024-11-02 12:27:04,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:27:04,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432041553] [2024-11-02 12:27:04,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:04,667 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 12:27:04,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:27:04,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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 12:27:04,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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 12:27:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:05,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:27:05,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:05,142 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-02 12:27:05,143 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:27:05,144 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:27:05,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432041553] [2024-11-02 12:27:05,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432041553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:05,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:05,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:27:05,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229824854] [2024-11-02 12:27:05,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:05,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:27:05,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:27:05,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:27:05,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:27:05,187 INFO L87 Difference]: Start difference. First operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-02 12:27:05,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:05,215 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-02 12:27:05,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:27:05,218 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-11-02 12:27:05,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:05,226 INFO L225 Difference]: With dead ends: 97 [2024-11-02 12:27:05,227 INFO L226 Difference]: Without dead ends: 48 [2024-11-02 12:27:05,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 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 12:27:05,234 INFO L432 NwaCegarLoop]: 68 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, 68 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 12:27:05,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:27:05,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-02 12:27:05,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-02 12:27:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-02 12:27:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2024-11-02 12:27:05,287 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 114 [2024-11-02 12:27:05,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:05,288 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2024-11-02 12:27:05,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-02 12:27:05,288 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2024-11-02 12:27:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:27:05,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:05,292 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:05,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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 12:27:05,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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 12:27:05,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:05,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:05,495 INFO L85 PathProgramCache]: Analyzing trace with hash -3676308, now seen corresponding path program 1 times [2024-11-02 12:27:05,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:27:05,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252116836] [2024-11-02 12:27:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:05,497 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 12:27:05,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:27:05,500 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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 12:27:05,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/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 12:27:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:05,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-02 12:27:05,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:07,417 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 321 proven. 27 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-02 12:27:07,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:27:08,112 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:27:08,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252116836] [2024-11-02 12:27:08,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252116836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:27:08,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [792157666] [2024-11-02 12:27:08,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:08,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:27:08,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:27:08,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:27:08,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019c7a8-504e-4e7c-855e-75e5408f0c57/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-02 12:27:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:09,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-02 12:27:09,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:25,087 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)