./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:25:56,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:25:56,902 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:25:56,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:25:56,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:25:56,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:25:56,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:25:56,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:25:56,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:25:56,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:25:56,947 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:25:56,947 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:25:56,947 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:25:56,948 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:25:56,948 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:25:56,948 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:25:56,948 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:25:56,949 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:25:56,949 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:25:56,949 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:25:56,954 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:25:56,954 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:25:56,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:25:56,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:25:56,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:25:56,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:25:56,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:25:56,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:25:56,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:25:56,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:25:56,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:25:56,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:25:56,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:25:56,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:25:56,961 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:25:56,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:25:56,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:25:56,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:25:56,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:56,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:25:56,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:25:56,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:25:56,963 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:25:56,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:25:56,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:25:56,964 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:25:56,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:25:56,964 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_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2024-11-02 12:25:57,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:25:57,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:25:57,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:25:57,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:25:57,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:25:57,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i Unable to find full path for "g++" [2024-11-02 12:25:59,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:25:59,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:25:59,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2024-11-02 12:25:59,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/data/9914d6801/75bd567126b74ee29974761b8541cb03/FLAG0fb4cf7b0 [2024-11-02 12:25:59,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/data/9914d6801/75bd567126b74ee29974761b8541cb03 [2024-11-02 12:25:59,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:25:59,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:25:59,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:59,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:25:59,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:25:59,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:59" (1/1) ... [2024-11-02 12:25:59,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b3bd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:59, skipping insertion in model container [2024-11-02 12:25:59,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:59" (1/1) ... [2024-11-02 12:25:59,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:25:59,986 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_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2024-11-02 12:26:00,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:00,166 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:00,185 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_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2024-11-02 12:26:00,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:00,270 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:00,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00 WrapperNode [2024-11-02 12:26:00,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:00,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:00,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:00,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:00,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,409 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 214 [2024-11-02 12:26:00,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:00,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:00,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:00,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:00,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:00,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:00,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:00,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:00,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (1/1) ... [2024-11-02 12:26:00,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:00,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:00,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:00,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:00,762 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:00,766 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:01,399 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:01,399 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:01,710 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:01,710 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:26:01,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:01 BoogieIcfgContainer [2024-11-02 12:26:01,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:01,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:01,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:01,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:01,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:25:59" (1/3) ... [2024-11-02 12:26:01,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe3936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:01, skipping insertion in model container [2024-11-02 12:26:01,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:00" (2/3) ... [2024-11-02 12:26:01,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe3936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:01, skipping insertion in model container [2024-11-02 12:26:01,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:01" (3/3) ... [2024-11-02 12:26:01,724 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2024-11-02 12:26:01,744 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:01,744 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:01,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:01,837 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;@7a46471, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:01,837 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:01,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-02 12:26:01,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-02 12:26:01,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:01,854 INFO L215 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:01,855 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:01,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:01,862 INFO L85 PathProgramCache]: Analyzing trace with hash -900138638, now seen corresponding path program 1 times [2024-11-02 12:26:01,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:01,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065739305] [2024-11-02 12:26:01,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:01,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:26:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:26:02,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:26:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:26:03,359 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:26:03,361 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:26:03,362 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:26:03,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:26:03,370 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:26:03,486 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:26:03,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:26:03 BoogieIcfgContainer [2024-11-02 12:26:03,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:26:03,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:26:03,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:26:03,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:26:03,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:01" (3/4) ... [2024-11-02 12:26:03,498 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:26:03,499 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:26:03,501 INFO L158 Benchmark]: Toolchain (without parser) took 3786.86ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 120.8MB in the beginning and 136.7MB in the end (delta: -15.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-02 12:26:03,501 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:26:03,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.25ms. Allocated memory is still 153.1MB. Free memory was 120.4MB in the beginning and 103.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:26:03,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.94ms. Allocated memory is still 153.1MB. Free memory was 103.7MB in the beginning and 98.9MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:26:03,504 INFO L158 Benchmark]: Boogie Preprocessor took 102.90ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 96.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:26:03,505 INFO L158 Benchmark]: RCFGBuilder took 1192.88ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 75.2MB in the end (delta: 21.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-02 12:26:03,506 INFO L158 Benchmark]: TraceAbstraction took 1778.78ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 74.5MB in the beginning and 138.8MB in the end (delta: -64.3MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-02 12:26:03,506 INFO L158 Benchmark]: Witness Printer took 6.42ms. Allocated memory is still 195.0MB. Free memory was 138.8MB in the beginning and 136.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:26:03,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.25ms. Allocated memory is still 153.1MB. Free memory was 120.4MB in the beginning and 103.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.94ms. Allocated memory is still 153.1MB. Free memory was 103.7MB in the beginning and 98.9MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.90ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 96.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1192.88ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 75.2MB in the end (delta: 21.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1778.78ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 74.5MB in the beginning and 138.8MB in the end (delta: -64.3MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Witness Printer took 6.42ms. Allocated memory is still 195.0MB. Free memory was 138.8MB in the beginning and 136.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 138, overapproximation of bitwiseOr at line 54, overapproximation of shiftLeft at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned short int var_1_4 = 58792; [L24] unsigned short int var_1_5 = 8; [L25] unsigned short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 16; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = 1000; [L30] signed short int var_1_11 = 1; [L31] signed short int var_1_12 = -25; [L32] signed short int var_1_13 = 25; [L33] unsigned short int var_1_14 = 5; [L34] unsigned short int var_1_16 = 20511; [L35] unsigned long int var_1_17 = 50; [L36] unsigned short int var_1_18 = 10; [L37] unsigned short int var_1_19 = 2; [L38] unsigned short int var_1_20 = 0; [L39] double var_1_21 = 9.15; [L40] double var_1_22 = 128.5; [L41] unsigned char var_1_23 = 1; [L42] double var_1_24 = 1.125; [L43] unsigned char var_1_25 = 1; [L44] unsigned char var_1_26 = 0; [L45] unsigned char var_1_27 = 1; [L46] unsigned char last_1_var_1_8 = 0; [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] CALL updateLastVariables() [L147] last_1_var_1_8 = var_1_8 [L157] RET updateLastVariables() [L158] CALL updateVariables() [L107] var_1_4 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L110] var_1_5 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L113] var_1_6 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=16, var_1_8=0, var_1_9=1] [L116] var_1_7 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_8=0, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L119] var_1_9 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L122] var_1_11 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L125] var_1_12 = __VERIFIER_nondet_short() [L126] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L127] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L128] var_1_13 = __VERIFIER_nondet_short() [L129] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L131] var_1_16 = __VERIFIER_nondet_ushort() [L132] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L133] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L134] var_1_20 = __VERIFIER_nondet_ushort() [L135] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L136] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L137] var_1_22 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L139] var_1_26 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L142] var_1_27 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_27 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_27 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L158] RET updateVariables() [L159] CALL step() [L50] var_1_19 = var_1_20 [L51] var_1_21 = var_1_22 [L52] var_1_23 = 0 [L53] var_1_24 = var_1_22 [L54] EXPR 64 ^ var_1_19 [L54] COND TRUE var_1_20 != (64 ^ var_1_19) [L55] COND FALSE !((var_1_19 >= var_1_20) && var_1_23) [L58] var_1_25 = var_1_27 [L63] unsigned short int stepLocal_1 = var_1_6; [L64] unsigned char stepLocal_0 = last_1_var_1_8; [L65] COND FALSE !(last_1_var_1_8 && stepLocal_0) [L68] COND TRUE ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < stepLocal_1 [L69] var_1_1 = var_1_5 [L72] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) [L73] COND TRUE \read(var_1_8) [L74] 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))))) [L76] EXPR var_1_16 << var_1_7 [L76] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L76] EXPR var_1_16 << var_1_7 [L76] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L76] signed long int stepLocal_4 = (((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7))); [L77] COND FALSE !(stepLocal_4 >= var_1_14) [L80] var_1_17 = (var_1_6 + var_1_5) [L82] unsigned short int stepLocal_5 = var_1_5; [L83] COND TRUE stepLocal_5 == var_1_16 [L84] COND TRUE \read(var_1_8) [L85] var_1_18 = (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))) [L94] unsigned char stepLocal_3 = var_1_9; [L95] unsigned long int stepLocal_2 = var_1_17; [L96] COND FALSE !(stepLocal_2 < var_1_6) [L103] var_1_10 = var_1_13 [L159] RET step() [L160] CALL, EXPR property() [L150] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (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_17 < 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_8 ? (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)))) [L150] EXPR var_1_16 << var_1_7 [L150] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L150] EXPR var_1_16 << var_1_7 [L150] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L150] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (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_17 < 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_8 ? (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)))) [L150-L151] return ((((((last_1_var_1_8 && last_1_var_1_8) ? (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_17 < 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_8 ? (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_8 ? (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)) ; [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=10000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=32767, var_1_16=16383, var_1_17=32767, var_1_18=30393, var_1_19=0, var_1_1=16383, var_1_20=0, var_1_21=114695, var_1_22=114695, var_1_23=0, var_1_24=114695, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=0, var_1_10=10000, var_1_11=0, var_1_12=16383, var_1_13=10000, var_1_14=32767, var_1_16=16383, var_1_17=32767, var_1_18=30393, var_1_19=0, var_1_1=16383, var_1_20=0, var_1_21=114695, var_1_22=114695, var_1_23=0, var_1_24=114695, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=114686, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 25, 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=47occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 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 12:26:03,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:06,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:06,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:26:06,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:06,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:06,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:06,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:06,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:06,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:06,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:06,162 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:06,163 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:06,163 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:06,164 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:06,164 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:06,164 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:06,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:06,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:06,169 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:26:06,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:26:06,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:06,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:06,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:06,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:06,174 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:26:06,174 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:26:06,175 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:06,175 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:26:06,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:26:06,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:06,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:06,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:06,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:26:06,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:06,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:06,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:06,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:06,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:06,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:06,180 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:26:06,180 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:26:06,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:06,182 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:06,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:06,182 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_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2024-11-02 12:26:06,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:06,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:06,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:06,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:06,609 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:06,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i Unable to find full path for "g++" [2024-11-02 12:26:08,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:09,204 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:09,206 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2024-11-02 12:26:09,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/data/9a2b9e4fc/1d5fbaea715a41e2b2498fc0d963e4ef/FLAG559f2a2b8 [2024-11-02 12:26:09,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/data/9a2b9e4fc/1d5fbaea715a41e2b2498fc0d963e4ef [2024-11-02 12:26:09,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:09,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:09,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:09,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:09,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:09,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2017b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09, skipping insertion in model container [2024-11-02 12:26:09,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:09,580 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_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2024-11-02 12:26:09,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:09,720 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:09,738 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_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2024-11-02 12:26:09,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:09,816 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:09,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09 WrapperNode [2024-11-02 12:26:09,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:09,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:09,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:09,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:09,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,937 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2024-11-02 12:26:09,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:09,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:09,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:09,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:09,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:09,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:10,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:10,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:10,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:10,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:10,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (1/1) ... [2024-11-02 12:26:10,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:10,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:10,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:10,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:26:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:10,215 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:10,218 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:10,690 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:10,690 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:10,712 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:10,712 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:26:10,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:10 BoogieIcfgContainer [2024-11-02 12:26:10,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:10,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:10,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:10,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:10,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:09" (1/3) ... [2024-11-02 12:26:10,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62120240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:10, skipping insertion in model container [2024-11-02 12:26:10,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:09" (2/3) ... [2024-11-02 12:26:10,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62120240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:10, skipping insertion in model container [2024-11-02 12:26:10,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:10" (3/3) ... [2024-11-02 12:26:10,726 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2024-11-02 12:26:10,748 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:10,749 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:10,841 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:10,850 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;@4f8ea6fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:10,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-02 12:26:10,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-02 12:26:10,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:10,895 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:10,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:10,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:10,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1076735324, now seen corresponding path program 1 times [2024-11-02 12:26:10,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:10,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875839158] [2024-11-02 12:26:10,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:10,920 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 12:26:10,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:10,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:10,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:11,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:26:11,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2024-11-02 12:26:11,290 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:11,291 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:11,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875839158] [2024-11-02 12:26:11,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875839158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:11,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:11,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:26:11,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35348612] [2024-11-02 12:26:11,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:11,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:26:11,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:11,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:26:11,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:26:11,337 INFO L87 Difference]: Start difference. First operand has 73 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-02 12:26:11,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:11,385 INFO L93 Difference]: Finished difference Result 139 states and 241 transitions. [2024-11-02 12:26:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:26:11,388 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 159 [2024-11-02 12:26:11,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:11,400 INFO L225 Difference]: With dead ends: 139 [2024-11-02 12:26:11,400 INFO L226 Difference]: Without dead ends: 69 [2024-11-02 12:26:11,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 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 12:26:11,409 INFO L432 NwaCegarLoop]: 104 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, 104 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 12:26:11,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:26:11,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-02 12:26:11,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-02 12:26:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-02 12:26:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2024-11-02 12:26:11,479 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 159 [2024-11-02 12:26:11,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:11,481 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2024-11-02 12:26:11,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-02 12:26:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2024-11-02 12:26:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-02 12:26:11,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:11,490 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:11,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:26:11,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:11,701 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:11,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:11,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1777743974, now seen corresponding path program 1 times [2024-11-02 12:26:11,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:11,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178183007] [2024-11-02 12:26:11,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:11,705 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 12:26:11,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:11,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:11,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:11,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:26:11,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-02 12:26:12,456 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:12,456 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:12,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178183007] [2024-11-02 12:26:12,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178183007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:12,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:12,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:26:12,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906792956] [2024-11-02 12:26:12,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:12,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:26:12,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:12,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:26:12,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:26:12,466 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 12:26:12,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:12,799 INFO L93 Difference]: Finished difference Result 233 states and 350 transitions. [2024-11-02 12:26:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:26:12,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 159 [2024-11-02 12:26:12,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:12,807 INFO L225 Difference]: With dead ends: 233 [2024-11-02 12:26:12,807 INFO L226 Difference]: Without dead ends: 167 [2024-11-02 12:26:12,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:26:12,810 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 98 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:12,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 442 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:26:12,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-02 12:26:12,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 130. [2024-11-02 12:26:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 77 states have internal predecessors, (97), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-02 12:26:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 197 transitions. [2024-11-02 12:26:12,861 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 197 transitions. Word has length 159 [2024-11-02 12:26:12,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:12,861 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 197 transitions. [2024-11-02 12:26:12,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 12:26:12,862 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 197 transitions. [2024-11-02 12:26:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-02 12:26:12,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:12,867 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:12,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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)] Ended with exit code 0 [2024-11-02 12:26:13,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:13,072 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:13,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1529694127, now seen corresponding path program 1 times [2024-11-02 12:26:13,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:13,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327320004] [2024-11-02 12:26:13,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:13,081 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 12:26:13,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:13,084 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:13,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 (4)] Waiting until timeout for monitored process [2024-11-02 12:26:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:13,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-02 12:26:13,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-02 12:26:13,298 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:13,299 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:13,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327320004] [2024-11-02 12:26:13,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327320004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:13,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:13,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:26:13,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268357399] [2024-11-02 12:26:13,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:13,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:26:13,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:13,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:26:13,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:26:13,302 INFO L87 Difference]: Start difference. First operand 130 states and 197 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 12:26:13,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:13,372 INFO L93 Difference]: Finished difference Result 294 states and 444 transitions. [2024-11-02 12:26:13,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:26:13,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 160 [2024-11-02 12:26:13,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:13,377 INFO L225 Difference]: With dead ends: 294 [2024-11-02 12:26:13,381 INFO L226 Difference]: Without dead ends: 167 [2024-11-02 12:26:13,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:26:13,383 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 81 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:13,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 216 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:26:13,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-02 12:26:13,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 166. [2024-11-02 12:26:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 93 states have (on average 1.1935483870967742) internal successors, (111), 94 states have internal predecessors, (111), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-02 12:26:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 247 transitions. [2024-11-02 12:26:13,447 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 247 transitions. Word has length 160 [2024-11-02 12:26:13,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:13,450 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 247 transitions. [2024-11-02 12:26:13,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 12:26:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2024-11-02 12:26:13,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-02 12:26:13,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:13,455 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:13,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 (4)] Forceful destruction successful, exit code 0 [2024-11-02 12:26:13,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:13,656 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:13,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:13,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1205649765, now seen corresponding path program 1 times [2024-11-02 12:26:13,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:13,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537620865] [2024-11-02 12:26:13,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:13,658 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 12:26:13,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:13,665 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:13,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 (5)] Waiting until timeout for monitored process [2024-11-02 12:26:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:13,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-02 12:26:13,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-02 12:26:13,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:26:13,862 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:13,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537620865] [2024-11-02 12:26:13,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537620865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:26:13,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:26:13,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:26:13,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525809635] [2024-11-02 12:26:13,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:26:13,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:26:13,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:26:13,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:26:13,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:26:13,865 INFO L87 Difference]: Start difference. First operand 166 states and 247 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 12:26:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:26:13,924 INFO L93 Difference]: Finished difference Result 317 states and 467 transitions. [2024-11-02 12:26:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:26:13,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 161 [2024-11-02 12:26:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:26:13,930 INFO L225 Difference]: With dead ends: 317 [2024-11-02 12:26:13,930 INFO L226 Difference]: Without dead ends: 182 [2024-11-02 12:26:13,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:26:13,934 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 97 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:26:13,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 238 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:26:13,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-02 12:26:13,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 181. [2024-11-02 12:26:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 100 states have (on average 1.16) internal successors, (116), 101 states have internal predecessors, (116), 75 states have call successors, (75), 5 states have call predecessors, (75), 5 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-02 12:26:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 266 transitions. [2024-11-02 12:26:13,994 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 266 transitions. Word has length 161 [2024-11-02 12:26:13,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:26:13,995 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 266 transitions. [2024-11-02 12:26:13,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-02 12:26:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 266 transitions. [2024-11-02 12:26:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-02 12:26:13,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:13,998 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:14,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 (5)] Forceful destruction successful, exit code 0 [2024-11-02 12:26:14,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:14,200 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:14,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:14,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1500969629, now seen corresponding path program 1 times [2024-11-02 12:26:14,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:26:14,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804979111] [2024-11-02 12:26:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:14,202 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 12:26:14,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:26:14,205 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 12:26:14,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/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 (6)] Waiting until timeout for monitored process [2024-11-02 12:26:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:14,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-02 12:26:14,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:18,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 831 proven. 234 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-02 12:26:18,680 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:26:20,666 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:26:20,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804979111] [2024-11-02 12:26:20,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804979111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:26:20,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1517747055] [2024-11-02 12:26:20,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:20,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:26:20,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:26:20,673 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:26:20,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-02 12:26:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:21,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-02 12:26:21,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:26:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 806 proven. 231 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-02 12:26:24,211 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:26:24,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1517747055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:26:24,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188108956] [2024-11-02 12:26:24,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:24,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:26:24,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:24,979 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:26:24,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe9c4ec-7350-49b9-a1d1-4c6e4ff7bbca/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-02 12:26:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:26:25,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-02 12:26:25,113 INFO L278 TraceCheckSpWp]: Computing forward predicates...