./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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_f4247d5c-936e-4207-ae87-4eb6b21266b9/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 c250a2af096d8ffe67794c7c5a3a6b33bb4c86f9dd5ba119753300fde586fba6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:25,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:25,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:27:25,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:25,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:25,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:25,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:25,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:25,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:25,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:25,463 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:25,464 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:25,464 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:25,465 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:27:25,465 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:25,465 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:25,466 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:27:25,466 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:27:25,467 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:25,467 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:27:25,468 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:27:25,468 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:27:25,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:25,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:25,470 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:27:25,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:27:25,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:27:25,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:25,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:25,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:25,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:25,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:25,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:27:25,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:25,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:25,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:25,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:27:25,475 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:25,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:25,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:25,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:25,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:25,477 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:27:25,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:27:25,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:25,477 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:25,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:25,478 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_f4247d5c-936e-4207-ae87-4eb6b21266b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c250a2af096d8ffe67794c7c5a3a6b33bb4c86f9dd5ba119753300fde586fba6 [2024-11-02 12:27:25,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:25,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:25,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:25,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:25,839 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:25,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i Unable to find full path for "g++" [2024-11-02 12:27:28,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:28,282 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:28,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i [2024-11-02 12:27:28,299 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/data/bfd3b4e8f/2ee54879006d47a993a19edfe4f14de6/FLAGb724cfb33 [2024-11-02 12:27:28,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/data/bfd3b4e8f/2ee54879006d47a993a19edfe4f14de6 [2024-11-02 12:27:28,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:28,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:28,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:28,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:28,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:28,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:28" (1/1) ... [2024-11-02 12:27:28,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9d1122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:28, skipping insertion in model container [2024-11-02 12:27:28,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:28" (1/1) ... [2024-11-02 12:27:28,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:28,963 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_f4247d5c-936e-4207-ae87-4eb6b21266b9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i[915,928] [2024-11-02 12:27:29,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:29,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:29,058 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_f4247d5c-936e-4207-ae87-4eb6b21266b9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i[915,928] [2024-11-02 12:27:29,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:29,124 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:29,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29 WrapperNode [2024-11-02 12:27:29,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:29,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:29,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:29,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:29,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,186 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2024-11-02 12:27:29,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:29,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:29,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:29,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:29,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:29,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:29,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:29,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:29,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (1/1) ... [2024-11-02 12:27:29,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:29,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:29,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:29,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:27:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:27:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:27:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:29,466 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:29,471 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:27:29,867 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-02 12:27:29,868 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:27:30,121 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:27:30,121 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:27:30,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:30 BoogieIcfgContainer [2024-11-02 12:27:30,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:27:30,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:27:30,125 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:27:30,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:27:30,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:28" (1/3) ... [2024-11-02 12:27:30,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1348164b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:30, skipping insertion in model container [2024-11-02 12:27:30,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:29" (2/3) ... [2024-11-02 12:27:30,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1348164b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:30, skipping insertion in model container [2024-11-02 12:27:30,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:30" (3/3) ... [2024-11-02 12:27:30,155 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-11.i [2024-11-02 12:27:30,181 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:27:30,181 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:27:30,292 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:27:30,299 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;@1e0e8d96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:27:30,300 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:27:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-02 12:27:30,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-02 12:27:30,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:30,319 INFO L215 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:30,320 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:30,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:30,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1459486716, now seen corresponding path program 1 times [2024-11-02 12:27:30,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:30,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073884085] [2024-11-02 12:27:30,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:30,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:27:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:27:31,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:27:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:27:31,788 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:27:31,790 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:27:31,792 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:27:31,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:27:31,800 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:27:31,964 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:27:31,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:27:31 BoogieIcfgContainer [2024-11-02 12:27:31,971 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:27:31,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:27:31,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:27:31,973 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:27:31,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:30" (3/4) ... [2024-11-02 12:27:31,978 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:27:31,979 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:27:31,981 INFO L158 Benchmark]: Toolchain (without parser) took 3306.85ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 123.9MB in the beginning and 141.7MB in the end (delta: -17.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-02 12:27:31,982 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 165.7MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:27:31,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.48ms. Allocated memory is still 165.7MB. Free memory was 123.9MB in the beginning and 107.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:27:31,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.59ms. Allocated memory is still 165.7MB. Free memory was 107.7MB in the beginning and 105.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:27:31,986 INFO L158 Benchmark]: Boogie Preprocessor took 44.76ms. Allocated memory is still 165.7MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:27:31,986 INFO L158 Benchmark]: RCFGBuilder took 889.24ms. Allocated memory is still 165.7MB. Free memory was 103.5MB in the beginning and 61.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-02 12:27:31,988 INFO L158 Benchmark]: TraceAbstraction took 1846.03ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 60.7MB in the beginning and 142.8MB in the end (delta: -82.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-02 12:27:31,989 INFO L158 Benchmark]: Witness Printer took 7.73ms. Allocated memory is still 211.8MB. Free memory was 142.8MB in the beginning and 141.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:27:31,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 165.7MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.48ms. Allocated memory is still 165.7MB. Free memory was 123.9MB in the beginning and 107.7MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.59ms. Allocated memory is still 165.7MB. Free memory was 107.7MB in the beginning and 105.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.76ms. Allocated memory is still 165.7MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 889.24ms. Allocated memory is still 165.7MB. Free memory was 103.5MB in the beginning and 61.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1846.03ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 60.7MB in the beginning and 142.8MB in the end (delta: -82.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Witness Printer took 7.73ms. Allocated memory is still 211.8MB. Free memory was 142.8MB in the beginning and 141.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someUnaryDOUBLEoperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed char var_1_7 = 0; [L27] signed char var_1_8 = 16; [L28] signed char var_1_9 = 4; [L29] unsigned long int var_1_10 = 128; [L30] unsigned long int var_1_11 = 1422462314; [L31] signed short int var_1_12 = 8; [L32] signed short int var_1_15 = -50; [L33] unsigned long int var_1_16 = 1; [L34] unsigned long int var_1_17 = 3609236770; [L35] unsigned long int var_1_18 = 2902762324; [L36] double var_1_19 = 3.8; [L37] double var_1_20 = 255.75; [L38] unsigned short int var_1_21 = 0; [L39] signed char var_1_22 = -8; [L40] signed char var_1_23 = 0; [L41] unsigned long int var_1_24 = 8; [L42] unsigned long int var_1_25 = 25; [L43] unsigned char var_1_26 = 16; [L44] unsigned char var_1_27 = 5; [L45] unsigned char var_1_28 = 64; [L46] signed long int var_1_29 = 1; [L47] signed short int var_1_30 = -128; [L48] unsigned char var_1_31 = 0; [L49] unsigned char var_1_32 = 1; [L50] unsigned long int last_1_var_1_10 = 128; [L51] unsigned long int last_1_var_1_16 = 1; [L52] double last_1_var_1_19 = 3.8; [L161] isInitial = 1 [L162] FCALL initially() [L163] COND TRUE 1 [L164] CALL updateLastVariables() [L152] last_1_var_1_10 = var_1_10 [L153] last_1_var_1_16 = var_1_16 [L154] last_1_var_1_19 = var_1_19 [L164] RET updateLastVariables() [L165] CALL updateVariables() [L109] var_1_2 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L111] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L112] var_1_3 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L114] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L115] var_1_7 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=16, var_1_9=4] [L117] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=16, var_1_9=4] [L118] var_1_8 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=4] [L120] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=4] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=4] [L121] var_1_9 = __VERIFIER_nondet_char() [L122] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L123] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L124] var_1_11 = __VERIFIER_nondet_ulong() [L125] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L126] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L127] var_1_17 = __VERIFIER_nondet_ulong() [L128] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L129] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L130] var_1_18 = __VERIFIER_nondet_ulong() [L131] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L132] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L133] var_1_20 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=0, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L135] var_1_23 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_23 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_23 >= -127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L137] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=25, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L138] var_1_25 = __VERIFIER_nondet_ulong() [L139] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L140] CALL assume_abort_if_not(var_1_25 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_25 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=5, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L141] var_1_27 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L143] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=0, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=0, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=0, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L144] var_1_31 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=0, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=0, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L146] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=0, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=0, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L147] var_1_32 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=0, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=0, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L149] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=0, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-127, var_1_24=8, var_1_25=0, var_1_26=16, var_1_27=0, var_1_28=64, var_1_29=1, var_1_2=1, var_1_30=-128, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=5, var_1_7=7, var_1_8=8, var_1_9=8] [L165] RET updateVariables() [L166] CALL step() [L56] var_1_22 = var_1_23 [L57] var_1_24 = var_1_25 [L58] var_1_26 = var_1_27 [L59] var_1_28 = var_1_27 [L60] var_1_29 = var_1_26 [L61] COND TRUE \read(var_1_31) [L62] COND TRUE \read(var_1_32) [L63] var_1_30 = (((((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))) < 0 ) ? -((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))) : ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))))) [L66] unsigned long int stepLocal_1 = last_1_var_1_16; [L67] unsigned long int stepLocal_0 = last_1_var_1_16; [L68] COND TRUE stepLocal_1 != last_1_var_1_10 [L69] COND FALSE !(var_1_8 <= stepLocal_0) [L77] COND TRUE var_1_12 == var_1_12 [L78] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) [L80] var_1_1 = (var_1_2 || (! var_1_3)) [L81] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L82] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) [L83] COND TRUE \read(var_1_1) [L84] COND FALSE !(var_1_19 >= var_1_19) [L89] var_1_15 = var_1_7 [L94] COND FALSE !(var_1_19 != var_1_19) [L97] COND FALSE !(var_1_4 > var_1_12) [L100] var_1_16 = (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9) [L103] unsigned char stepLocal_2 = var_1_1; [L104] COND FALSE !((var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2) [L166] RET step() [L167] CALL, EXPR property() [L157-L158] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; [L167] RET, EXPR property() [L167] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284993, var_1_11=1073741823, var_1_12=8, var_1_15=7, var_1_16=-2147483657, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-127, var_1_23=-127, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=127, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=8, var_1_7=7, var_1_8=8, var_1_9=8] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284993, var_1_11=1073741823, var_1_12=8, var_1_15=7, var_1_16=-2147483657, var_1_17=-2147483649, var_1_18=-2147483649, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-127, var_1_23=-127, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=127, var_1_31=1, var_1_32=1, var_1_3=0, var_1_4=8, var_1_7=7, var_1_8=8, var_1_9=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 27, 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=50occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 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 12:27:32,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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_f4247d5c-936e-4207-ae87-4eb6b21266b9/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 c250a2af096d8ffe67794c7c5a3a6b33bb4c86f9dd5ba119753300fde586fba6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:34,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:34,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:27:34,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:34,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:34,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:34,811 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:34,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:34,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:34,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:34,814 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:34,814 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:34,815 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:34,815 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:34,818 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:34,818 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:34,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:34,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:34,820 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:27:34,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:27:34,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:34,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:34,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:34,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:34,827 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:27:34,827 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:27:34,827 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:34,828 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:27:34,828 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:27:34,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:34,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:34,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:34,829 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:27:34,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:27:34,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:34,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:34,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:34,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:34,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:34,833 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:27:34,834 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:27:34,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:34,836 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:34,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:34,836 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_f4247d5c-936e-4207-ae87-4eb6b21266b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c250a2af096d8ffe67794c7c5a3a6b33bb4c86f9dd5ba119753300fde586fba6 [2024-11-02 12:27:35,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:35,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:35,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:35,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:35,345 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:35,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i Unable to find full path for "g++" [2024-11-02 12:27:37,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:37,920 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:37,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i [2024-11-02 12:27:37,932 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/data/b15ecca27/24fa2939d6664d22ac24f2815a809810/FLAGfa331e6c2 [2024-11-02 12:27:37,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/data/b15ecca27/24fa2939d6664d22ac24f2815a809810 [2024-11-02 12:27:37,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:37,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:37,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:37,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:37,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:37,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:37" (1/1) ... [2024-11-02 12:27:37,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fb7689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:37, skipping insertion in model container [2024-11-02 12:27:37,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:37" (1/1) ... [2024-11-02 12:27:38,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:38,238 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_f4247d5c-936e-4207-ae87-4eb6b21266b9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i[915,928] [2024-11-02 12:27:38,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:38,348 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:38,363 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_f4247d5c-936e-4207-ae87-4eb6b21266b9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-11.i[915,928] [2024-11-02 12:27:38,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:38,467 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:38,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38 WrapperNode [2024-11-02 12:27:38,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:38,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:38,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:38,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:38,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,545 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2024-11-02 12:27:38,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:38,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:38,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:38,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:38,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:38,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:38,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:38,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:38,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (1/1) ... [2024-11-02 12:27:38,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:38,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:38,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:38,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:27:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:27:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:27:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:38,877 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:38,880 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:27:39,378 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-02 12:27:39,379 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:27:39,404 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:27:39,405 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:27:39,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:39 BoogieIcfgContainer [2024-11-02 12:27:39,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:27:39,408 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:27:39,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:27:39,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:27:39,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:37" (1/3) ... [2024-11-02 12:27:39,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cad283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:39, skipping insertion in model container [2024-11-02 12:27:39,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:38" (2/3) ... [2024-11-02 12:27:39,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cad283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:39, skipping insertion in model container [2024-11-02 12:27:39,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:39" (3/3) ... [2024-11-02 12:27:39,417 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-11.i [2024-11-02 12:27:39,443 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:27:39,444 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:27:39,536 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:27:39,543 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;@63701edb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:27:39,544 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:27:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 46 states have internal predecessors, (62), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-02 12:27:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-02 12:27:39,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:39,585 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:39,586 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:39,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:39,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1812432857, now seen corresponding path program 1 times [2024-11-02 12:27:39,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:27:39,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439433883] [2024-11-02 12:27:39,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:39,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:27:39,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:27:39,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:27:39,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:27:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:39,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:27:39,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-11-02 12:27:40,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:27:40,046 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:27:40,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439433883] [2024-11-02 12:27:40,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439433883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:40,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:40,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:27:40,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430197601] [2024-11-02 12:27:40,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:40,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:27:40,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:27:40,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:27:40,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:27:40,081 INFO L87 Difference]: Start difference. First operand has 75 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 46 states have internal predecessors, (62), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-02 12:27:40,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:40,111 INFO L93 Difference]: Finished difference Result 143 states and 253 transitions. [2024-11-02 12:27:40,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:27:40,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167 [2024-11-02 12:27:40,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:40,121 INFO L225 Difference]: With dead ends: 143 [2024-11-02 12:27:40,121 INFO L226 Difference]: Without dead ends: 71 [2024-11-02 12:27:40,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:27:40,129 INFO L432 NwaCegarLoop]: 108 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, 108 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:40,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:27:40,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-02 12:27:40,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-02 12:27:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-02 12:27:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 108 transitions. [2024-11-02 12:27:40,185 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 108 transitions. Word has length 167 [2024-11-02 12:27:40,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:40,186 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 108 transitions. [2024-11-02 12:27:40,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-02 12:27:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2024-11-02 12:27:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-02 12:27:40,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:40,192 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:40,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:27:40,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:27:40,396 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:40,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:40,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1160037157, now seen corresponding path program 1 times [2024-11-02 12:27:40,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:27:40,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071356559] [2024-11-02 12:27:40,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:40,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:27:40,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:27:40,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:27:40,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:27:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:40,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:27:40,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:42,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-02 12:27:42,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:27:42,190 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:27:42,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071356559] [2024-11-02 12:27:42,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071356559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:42,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:27:42,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:27:42,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220278807] [2024-11-02 12:27:42,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:42,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:27:42,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:27:42,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:27:42,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:27:42,195 INFO L87 Difference]: Start difference. First operand 71 states and 108 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-02 12:27:42,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:42,631 INFO L93 Difference]: Finished difference Result 208 states and 319 transitions. [2024-11-02 12:27:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:27:42,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2024-11-02 12:27:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:42,637 INFO L225 Difference]: With dead ends: 208 [2024-11-02 12:27:42,637 INFO L226 Difference]: Without dead ends: 140 [2024-11-02 12:27:42,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:27:42,640 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 62 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:42,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 348 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:27:42,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-02 12:27:42,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 122. [2024-11-02 12:27:42,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 65 states have internal predecessors, (79), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-02 12:27:42,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 187 transitions. [2024-11-02 12:27:42,718 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 187 transitions. Word has length 167 [2024-11-02 12:27:42,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:42,719 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 187 transitions. [2024-11-02 12:27:42,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-02 12:27:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 187 transitions. [2024-11-02 12:27:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 12:27:42,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:42,728 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:42,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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 12:27:42,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:27:42,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:42,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:42,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1227494629, now seen corresponding path program 1 times [2024-11-02 12:27:42,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:27:42,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477805879] [2024-11-02 12:27:42,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:42,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:27:42,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:27:42,935 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:27:42,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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 12:27:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:43,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:27:43,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:43,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-11-02 12:27:43,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:27:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-02 12:27:43,978 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:27:43,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477805879] [2024-11-02 12:27:43,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [477805879] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:27:43,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [976348948] [2024-11-02 12:27:43,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:43,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:27:43,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:27:43,994 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:27:43,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-02 12:27:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:44,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:27:44,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-02 12:27:44,468 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:27:44,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [976348948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:44,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-02 12:27:44,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 11 [2024-11-02 12:27:44,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987150705] [2024-11-02 12:27:44,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:44,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:27:44,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:27:44,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:27:44,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-02 12:27:44,472 INFO L87 Difference]: Start difference. First operand 122 states and 187 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-02 12:27:44,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:44,619 INFO L93 Difference]: Finished difference Result 255 states and 391 transitions. [2024-11-02 12:27:44,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:27:44,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 168 [2024-11-02 12:27:44,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:44,623 INFO L225 Difference]: With dead ends: 255 [2024-11-02 12:27:44,624 INFO L226 Difference]: Without dead ends: 187 [2024-11-02 12:27:44,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-02 12:27:44,626 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 96 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:44,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 479 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:27:44,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-02 12:27:44,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 126. [2024-11-02 12:27:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 69 states have internal predecessors, (85), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-02 12:27:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 193 transitions. [2024-11-02 12:27:44,682 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 193 transitions. Word has length 168 [2024-11-02 12:27:44,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:44,683 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 193 transitions. [2024-11-02 12:27:44,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-02 12:27:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 193 transitions. [2024-11-02 12:27:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 12:27:44,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:44,690 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:44,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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)] Ended with exit code 0 [2024-11-02 12:27:44,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-02 12:27:45,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt [2024-11-02 12:27:45,092 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:45,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:45,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1225647587, now seen corresponding path program 1 times [2024-11-02 12:27:45,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:27:45,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341440011] [2024-11-02 12:27:45,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:45,095 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:27:45,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:27:45,098 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:27:45,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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 12:27:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:45,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:27:45,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-11-02 12:27:45,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:27:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-02 12:27:45,980 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:27:45,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341440011] [2024-11-02 12:27:45,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341440011] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:27:45,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [268272559] [2024-11-02 12:27:45,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:45,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:27:45,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:27:45,984 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:27:45,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-02 12:27:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:46,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:27:46,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-02 12:27:47,285 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:27:47,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [268272559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:27:47,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-02 12:27:47,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 11 [2024-11-02 12:27:47,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359137041] [2024-11-02 12:27:47,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:27:47,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:27:47,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:27:47,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:27:47,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-02 12:27:47,289 INFO L87 Difference]: Start difference. First operand 126 states and 193 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-02 12:27:47,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:27:47,716 INFO L93 Difference]: Finished difference Result 202 states and 310 transitions. [2024-11-02 12:27:47,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:27:47,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 168 [2024-11-02 12:27:47,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:27:47,723 INFO L225 Difference]: With dead ends: 202 [2024-11-02 12:27:47,723 INFO L226 Difference]: Without dead ends: 130 [2024-11-02 12:27:47,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-02 12:27:47,729 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 72 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:27:47,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 266 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:27:47,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-02 12:27:47,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 126. [2024-11-02 12:27:47,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 69 states have internal predecessors, (82), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-02 12:27:47,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 190 transitions. [2024-11-02 12:27:47,769 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 190 transitions. Word has length 168 [2024-11-02 12:27:47,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:27:47,773 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 190 transitions. [2024-11-02 12:27:47,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-02 12:27:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2024-11-02 12:27:47,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-02 12:27:47,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:47,776 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:27:47,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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)] Ended with exit code 0 [2024-11-02 12:27:47,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-02 12:27:48,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt [2024-11-02 12:27:48,182 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:48,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:48,183 INFO L85 PathProgramCache]: Analyzing trace with hash 450181228, now seen corresponding path program 1 times [2024-11-02 12:27:48,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:27:48,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095750617] [2024-11-02 12:27:48,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:48,184 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:27:48,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:27:48,187 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:27:48,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/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 (8)] Waiting until timeout for monitored process [2024-11-02 12:27:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:48,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:27:48,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:27:48,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-11-02 12:27:48,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:27:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-02 12:27:49,181 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:27:49,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095750617] [2024-11-02 12:27:49,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095750617] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:27:49,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [831850161] [2024-11-02 12:27:49,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:49,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:27:49,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:27:49,185 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:27:49,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4247d5c-936e-4207-ae87-4eb6b21266b9/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-02 12:27:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:27:49,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-02 12:27:49,971 INFO L278 TraceCheckSpWp]: Computing forward predicates...