./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3365a81206d364d6796ce2111e3130ddc986e1964f44a787bf6a1f0911048837 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:20:17,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:20:17,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:20:17,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:20:17,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:20:17,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:20:17,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:20:17,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:20:17,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:20:17,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:20:17,509 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:20:17,510 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:20:17,510 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:20:17,511 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:20:17,511 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:20:17,512 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:20:17,512 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:20:17,513 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:20:17,514 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:20:17,514 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:20:17,515 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:20:17,517 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:20:17,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:20:17,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:20:17,518 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:20:17,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:20:17,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:20:17,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:20:17,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:20:17,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:20:17,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:20:17,521 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:20:17,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:20:17,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:20:17,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:20:17,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:20:17,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:20:17,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:20:17,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:20:17,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:20:17,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:20:17,524 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:20:17,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:20:17,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:20:17,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:20:17,525 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:20:17,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:20:17,525 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_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3365a81206d364d6796ce2111e3130ddc986e1964f44a787bf6a1f0911048837 [2023-12-02 15:20:17,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:20:17,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:20:17,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:20:17,784 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:20:17,784 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:20:17,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-12-02 15:20:20,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:20:20,777 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:20:20,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-12-02 15:20:20,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/data/440415585/37bb3b18768d40d9b687b89915e248b0/FLAGb45f96148 [2023-12-02 15:20:20,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/data/440415585/37bb3b18768d40d9b687b89915e248b0 [2023-12-02 15:20:20,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:20:20,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:20:20,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:20:20,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:20:20,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:20:20,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:20" (1/1) ... [2023-12-02 15:20:20,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd7d114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:20, skipping insertion in model container [2023-12-02 15:20:20,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:20" (1/1) ... [2023-12-02 15:20:20,850 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:20:20,993 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i[919,932] [2023-12-02 15:20:21,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:20:21,081 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:20:21,092 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i[919,932] [2023-12-02 15:20:21,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:20:21,159 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:20:21,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21 WrapperNode [2023-12-02 15:20:21,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:20:21,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:20:21,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:20:21,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:20:21,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,232 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 297 [2023-12-02 15:20:21,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:20:21,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:20:21,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:20:21,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:20:21,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:20:21,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:20:21,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:20:21,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:20:21,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (1/1) ... [2023-12-02 15:20:21,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:20:21,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:20:21,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:20:21,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:20:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:20:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:20:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:20:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:20:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:20:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:20:21,485 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:20:21,489 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:20:22,019 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:20:22,454 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:20:22,455 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:20:22,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:22 BoogieIcfgContainer [2023-12-02 15:20:22,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:20:22,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:20:22,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:20:22,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:20:22,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:20:20" (1/3) ... [2023-12-02 15:20:22,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c54e26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:22, skipping insertion in model container [2023-12-02 15:20:22,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:21" (2/3) ... [2023-12-02 15:20:22,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c54e26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:22, skipping insertion in model container [2023-12-02 15:20:22,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:22" (3/3) ... [2023-12-02 15:20:22,467 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-12-02 15:20:22,487 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:20:22,487 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:20:22,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:20:22,549 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3bbdb1fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:20:22,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:20:22,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 15:20:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-02 15:20:22,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:20:22,569 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:20:22,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:20:22,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:20:22,574 INFO L85 PathProgramCache]: Analyzing trace with hash 691049014, now seen corresponding path program 1 times [2023-12-02 15:20:22,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:20:22,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801352432] [2023-12-02 15:20:22,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:22,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:20:22,770 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:20:22,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1837703541] [2023-12-02 15:20:22,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:22,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:20:22,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:20:22,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:20:22,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:20:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:20:23,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:20:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:20:23,302 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:20:23,303 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:20:23,305 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:20:23,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:20:23,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 15:20:23,510 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:20:23,514 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:20:23,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:20:23 BoogieIcfgContainer [2023-12-02 15:20:23,632 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:20:23,633 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:20:23,633 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:20:23,633 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:20:23,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:22" (3/4) ... [2023-12-02 15:20:23,636 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:20:23,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:20:23,638 INFO L158 Benchmark]: Toolchain (without parser) took 2833.22ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 63.2MB in the end (delta: 66.2MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2023-12-02 15:20:23,638 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:20:23,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.16ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 113.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 15:20:23,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.18ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 107.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 15:20:23,640 INFO L158 Benchmark]: Boogie Preprocessor took 61.95ms. Allocated memory is still 169.9MB. Free memory was 107.0MB in the beginning and 104.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:20:23,641 INFO L158 Benchmark]: RCFGBuilder took 1160.66ms. Allocated memory is still 169.9MB. Free memory was 104.2MB in the beginning and 126.1MB in the end (delta: -21.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-02 15:20:23,641 INFO L158 Benchmark]: TraceAbstraction took 1172.80ms. Allocated memory is still 169.9MB. Free memory was 125.1MB in the beginning and 64.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-12-02 15:20:23,642 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 169.9MB. Free memory was 64.3MB in the beginning and 63.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:20:23,646 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.16ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 113.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.18ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 107.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.95ms. Allocated memory is still 169.9MB. Free memory was 107.0MB in the beginning and 104.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.66ms. Allocated memory is still 169.9MB. Free memory was 104.2MB in the beginning and 126.1MB in the end (delta: -21.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1172.80ms. Allocated memory is still 169.9MB. Free memory was 125.1MB in the beginning and 64.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 169.9MB. Free memory was 64.3MB in the beginning and 63.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of bitwiseOr at line 99, overapproximation of someUnaryDOUBLEoperation at line 48, overapproximation of bitwiseAnd at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 2; [L23] signed long int var_1_5 = 5; [L24] unsigned char var_1_8 = 0; [L25] float var_1_9 = 128.6; [L26] float var_1_10 = 32.5; [L27] unsigned char var_1_11 = 16; [L28] unsigned char var_1_12 = 64; [L29] unsigned char var_1_13 = 4; [L30] unsigned char var_1_14 = 4; [L31] unsigned long int var_1_15 = 0; [L32] signed short int var_1_16 = 0; [L33] signed char var_1_17 = 1; [L34] signed char var_1_18 = -1; [L35] signed char var_1_19 = 0; [L36] signed long int var_1_20 = -64; [L37] unsigned char var_1_22 = 0; [L38] unsigned char var_1_23 = 0; [L39] signed short int var_1_24 = -4; [L40] signed char var_1_27 = 64; [L41] unsigned short int var_1_29 = 8; [L42] unsigned char var_1_30 = 16; [L43] unsigned short int var_1_33 = 48416; [L44] unsigned char var_1_35 = 4; [L45] unsigned char var_1_36 = 25; [L46] unsigned long int var_1_37 = 32; [L47] unsigned char var_1_38 = 8; [L48] double var_1_39 = -0.75; [L49] double var_1_40 = 31.75; [L50] double var_1_41 = 5.5; [L51] double var_1_42 = 32.5; [L52] signed char var_1_43 = 100; [L53] signed char var_1_44 = 50; [L54] signed char var_1_45 = 5; [L55] signed long int last_1_var_1_5 = 5; [L205] isInitial = 1 [L206] FCALL initially() [L207] COND TRUE 1 [L208] CALL updateLastVariables() [L198] last_1_var_1_5 = var_1_5 [L208] RET updateLastVariables() [L209] CALL updateVariables() [L144] var_1_9 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L146] var_1_10 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L148] var_1_11 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L150] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L151] var_1_12 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_12 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_12 >= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L153] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L154] var_1_13 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L156] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L157] var_1_14 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L159] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L160] var_1_18 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L162] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L163] var_1_19 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_19 >= -15) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 >= -15) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L165] CALL assume_abort_if_not(var_1_19 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_19 <= 16) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L166] var_1_23 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L168] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=64, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L169] var_1_27 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_27 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 >= -127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L171] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=16, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L172] var_1_30 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L174] CALL assume_abort_if_not(var_1_30 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_30 <= 255) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L175] CALL assume_abort_if_not(var_1_30 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_30 != 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=48416, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L176] var_1_33 = __VERIFIER_nondet_ushort() [L177] CALL assume_abort_if_not(var_1_33 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_33 >= 32767) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L178] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=25, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L179] var_1_36 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L181] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L182] var_1_39 = __VERIFIER_nondet_double() [L183] CALL assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_40=127/4, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L184] var_1_40 = __VERIFIER_nondet_double() [L185] CALL assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_40 >= 0.0F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_41=11/2, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L186] var_1_41 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854776000e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854776000e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_42=65/2, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L188] var_1_42 = __VERIFIER_nondet_double() [L189] CALL assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=50, var_1_45=5, var_1_5=5, var_1_8=0] [L190] var_1_44 = __VERIFIER_nondet_char() [L191] CALL assume_abort_if_not(var_1_44 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=100, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_44 >= -1) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=100, var_1_45=5, var_1_5=5, var_1_8=0] [L192] CALL assume_abort_if_not(var_1_44 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=100, var_1_45=5, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_44 <= 126) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=100, var_1_45=5, var_1_5=5, var_1_8=0] [L193] var_1_45 = __VERIFIER_nondet_char() [L194] CALL assume_abort_if_not(var_1_45 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=100, var_1_45=126, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_45 >= 0) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=100, var_1_45=126, var_1_5=5, var_1_8=0] [L195] CALL assume_abort_if_not(var_1_45 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=100, var_1_45=126, var_1_5=5, var_1_8=0] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_45 <= 126) VAL [isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_22=0, var_1_23=0, var_1_24=-4, var_1_27=1, var_1_29=8, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=32, var_1_38=8, var_1_43=100, var_1_44=100, var_1_45=126, var_1_5=5, var_1_8=0] [L209] RET updateVariables() [L210] CALL step() [L59] COND FALSE !(var_1_9 > var_1_10) [L62] var_1_20 = var_1_8 [L63] var_1_22 = var_1_23 [L64] COND FALSE !(\read(var_1_22)) [L67] var_1_16 = (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11) [L68] COND FALSE !(\read(var_1_22)) [L75] var_1_17 = -32 [L77] unsigned long int stepLocal_1 = var_1_20 + var_1_15; [L78] signed long int stepLocal_0 = var_1_20; [L79] COND TRUE stepLocal_1 < -200 [L80] COND FALSE !(\read(var_1_22)) [L87] var_1_1 = var_1_20 [L92] signed long int stepLocal_4 = 256; [L93] unsigned char stepLocal_3 = var_1_22; [L94] unsigned long int stepLocal_2 = var_1_15; [L95] COND FALSE !(stepLocal_4 > (var_1_15 - (last_1_var_1_5 + var_1_8))) [L98] COND FALSE !(stepLocal_3 || var_1_22) [L103] var_1_5 = -10000 [L106] COND FALSE !(\read(var_1_22)) [L111] var_1_24 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) [L113] COND TRUE (var_1_20 / var_1_30) < var_1_27 [L114] var_1_29 = var_1_30 [L118] COND FALSE !(\read(var_1_22)) [L121] COND TRUE ((((var_1_8) < (var_1_1)) ? (var_1_8) : (var_1_1))) >= var_1_15 [L122] var_1_37 = var_1_20 [L124] COND FALSE !((var_1_39 * (var_1_40 - var_1_41)) >= var_1_42) [L131] var_1_38 = var_1_36 [L133] COND FALSE !(((((var_1_39) > (64.75f)) ? (var_1_39) : (64.75f))) <= var_1_40) [L140] var_1_43 = var_1_44 [L210] RET step() [L211] CALL, EXPR property() [L201] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L201] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L201] EXPR (var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)) [L201] EXPR (256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))) [L201] EXPR (((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L201] EXPR (((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32))) [L201-L202] return (((((((((var_1_20 + var_1_15) < -200) ? (var_1_22 ? ((var_1_20 > (- var_1_15)) ? (var_1_1 == ((unsigned long int) var_1_20)) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) : (var_1_1 == ((unsigned long int) var_1_20))) && ((256 > (var_1_15 - (last_1_var_1_5 + var_1_8))) ? (var_1_5 == ((signed long int) last_1_var_1_5)) : ((var_1_22 || var_1_22) ? ((((32 * -25) | last_1_var_1_5) >= var_1_15) ? (var_1_5 == ((signed long int) var_1_8)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_22 ? (var_1_15 == ((unsigned long int) var_1_8)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_15) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_15) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_22 ? ((var_1_14 < (var_1_13 & (var_1_15 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32)))) && (var_1_20 == ((signed long int) var_1_8))) && (var_1_22 == ((unsigned char) var_1_23)) ; [L211] RET, EXPR property() [L211] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_27=1, var_1_29=255, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=0, var_1_38=0, var_1_43=100, var_1_44=100, var_1_45=126, var_1_5=-10000, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=5, var_1_11=0, var_1_12=63, var_1_13=0, var_1_14=58, var_1_15=0, var_1_16=0, var_1_17=-32, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_27=1, var_1_29=255, var_1_30=255, var_1_33=65534, var_1_35=4, var_1_36=0, var_1_37=0, var_1_38=0, var_1_43=100, var_1_44=100, var_1_45=126, var_1_5=-10000, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 33, 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=61occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 15:20:23,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3365a81206d364d6796ce2111e3130ddc986e1964f44a787bf6a1f0911048837 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:20:25,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:20:25,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:20:25,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:20:25,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:20:25,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:20:25,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:20:25,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:20:25,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:20:25,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:20:25,785 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:20:25,785 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:20:25,786 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:20:25,786 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:20:25,787 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:20:25,788 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:20:25,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:20:25,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:20:25,790 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:20:25,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:20:25,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:20:25,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:20:25,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:20:25,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:20:25,793 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:20:25,793 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:20:25,794 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:20:25,794 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:20:25,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:20:25,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:20:25,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:20:25,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:20:25,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:20:25,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:20:25,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:20:25,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:20:25,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:20:25,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:20:25,798 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:20:25,798 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:20:25,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:20:25,798 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:20:25,798 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:20:25,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:20:25,799 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_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3365a81206d364d6796ce2111e3130ddc986e1964f44a787bf6a1f0911048837 [2023-12-02 15:20:26,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:20:26,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:20:26,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:20:26,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:20:26,145 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:20:26,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-12-02 15:20:29,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:20:29,274 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:20:29,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-12-02 15:20:29,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/data/e6d55bb07/452faa173ebf455bb93aef78edd88e87/FLAG56af018b7 [2023-12-02 15:20:29,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/data/e6d55bb07/452faa173ebf455bb93aef78edd88e87 [2023-12-02 15:20:29,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:20:29,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:20:29,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:20:29,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:20:29,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:20:29,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798ca30d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29, skipping insertion in model container [2023-12-02 15:20:29,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:20:29,498 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i[919,932] [2023-12-02 15:20:29,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:20:29,606 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:20:29,619 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i[919,932] [2023-12-02 15:20:29,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:20:29,689 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:20:29,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29 WrapperNode [2023-12-02 15:20:29,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:20:29,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:20:29,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:20:29,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:20:29,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,751 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2023-12-02 15:20:29,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:20:29,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:20:29,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:20:29,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:20:29,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:20:29,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:20:29,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:20:29,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:20:29,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (1/1) ... [2023-12-02 15:20:29,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:20:29,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:20:29,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:20:29,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:20:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:20:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:20:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:20:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:20:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:20:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:20:30,012 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:20:30,015 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:20:34,572 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:20:34,621 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:20:34,622 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:20:34,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:34 BoogieIcfgContainer [2023-12-02 15:20:34,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:20:34,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:20:34,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:20:34,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:20:34,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:20:29" (1/3) ... [2023-12-02 15:20:34,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3493e16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:34, skipping insertion in model container [2023-12-02 15:20:34,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:29" (2/3) ... [2023-12-02 15:20:34,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3493e16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:34, skipping insertion in model container [2023-12-02 15:20:34,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:34" (3/3) ... [2023-12-02 15:20:34,633 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-97.i [2023-12-02 15:20:34,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:20:34,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:20:34,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:20:34,720 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1e6d2c4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:20:34,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:20:34,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 15:20:34,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-02 15:20:34,748 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:20:34,749 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:20:34,750 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:20:34,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:20:34,756 INFO L85 PathProgramCache]: Analyzing trace with hash -858778811, now seen corresponding path program 1 times [2023-12-02 15:20:34,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:20:34,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973268018] [2023-12-02 15:20:34,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:34,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:20:34,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:20:34,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:20:34,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 15:20:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:20:35,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:20:35,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:20:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 988 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2023-12-02 15:20:35,396 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:20:35,397 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:20:35,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973268018] [2023-12-02 15:20:35,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973268018] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:20:35,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:20:35,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:20:35,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126265469] [2023-12-02 15:20:35,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:20:35,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:20:35,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:20:35,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:20:35,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:20:35,441 INFO L87 Difference]: Start difference. First operand has 89 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 15:20:35,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:20:35,512 INFO L93 Difference]: Finished difference Result 175 states and 319 transitions. [2023-12-02 15:20:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:20:35,516 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2023-12-02 15:20:35,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:20:35,526 INFO L225 Difference]: With dead ends: 175 [2023-12-02 15:20:35,526 INFO L226 Difference]: Without dead ends: 87 [2023-12-02 15:20:35,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:20:35,536 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:20:35,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:20:35,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-12-02 15:20:35,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-12-02 15:20:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 52 states have internal predecessors, (72), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 15:20:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 138 transitions. [2023-12-02 15:20:35,599 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 138 transitions. Word has length 204 [2023-12-02 15:20:35,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:20:35,599 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 138 transitions. [2023-12-02 15:20:35,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 15:20:35,600 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2023-12-02 15:20:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-02 15:20:35,606 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:20:35,606 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:20:35,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:20:35,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:20:35,809 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:20:35,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:20:35,810 INFO L85 PathProgramCache]: Analyzing trace with hash 451008695, now seen corresponding path program 1 times [2023-12-02 15:20:35,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:20:35,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597088449] [2023-12-02 15:20:35,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:35,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:20:35,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:20:35,813 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:20:35,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 15:20:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:20:36,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:20:36,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:20:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 15:20:37,544 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:20:37,544 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:20:37,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597088449] [2023-12-02 15:20:37,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597088449] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:20:37,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:20:37,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:20:37,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006978349] [2023-12-02 15:20:37,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:20:37,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:20:37,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:20:37,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:20:37,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:20:37,551 INFO L87 Difference]: Start difference. First operand 87 states and 138 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 15:20:38,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:20:38,520 INFO L93 Difference]: Finished difference Result 318 states and 504 transitions. [2023-12-02 15:20:38,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:20:38,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-12-02 15:20:38,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:20:38,528 INFO L225 Difference]: With dead ends: 318 [2023-12-02 15:20:38,528 INFO L226 Difference]: Without dead ends: 232 [2023-12-02 15:20:38,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:20:38,532 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 198 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:20:38,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 608 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 15:20:38,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-12-02 15:20:38,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 171. [2023-12-02 15:20:38,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 15:20:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 271 transitions. [2023-12-02 15:20:38,584 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 271 transitions. Word has length 204 [2023-12-02 15:20:38,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:20:38,585 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 271 transitions. [2023-12-02 15:20:38,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 15:20:38,586 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 271 transitions. [2023-12-02 15:20:38,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-02 15:20:38,590 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:20:38,591 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:20:38,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 15:20:38,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:20:38,797 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:20:38,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:20:38,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1472077049, now seen corresponding path program 1 times [2023-12-02 15:20:38,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:20:38,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594765399] [2023-12-02 15:20:38,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:38,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:20:38,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:20:38,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:20:38,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 15:20:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:20:39,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:20:39,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:20:39,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1082 proven. 51 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2023-12-02 15:20:39,922 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:20:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 45 proven. 51 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 15:20:40,367 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:20:40,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594765399] [2023-12-02 15:20:40,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594765399] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:20:40,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [342993276] [2023-12-02 15:20:40,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:40,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:20:40,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:20:40,397 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:20:40,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 15:20:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:20:40,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:20:40,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:20:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 15:20:40,805 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:20:40,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [342993276] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:20:40,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:20:40,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 8 [2023-12-02 15:20:40,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559251279] [2023-12-02 15:20:40,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:20:40,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:20:40,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:20:40,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:20:40,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:20:40,809 INFO L87 Difference]: Start difference. First operand 171 states and 271 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 15:20:40,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:20:40,938 INFO L93 Difference]: Finished difference Result 420 states and 665 transitions. [2023-12-02 15:20:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:20:40,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-12-02 15:20:40,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:20:40,944 INFO L225 Difference]: With dead ends: 420 [2023-12-02 15:20:40,944 INFO L226 Difference]: Without dead ends: 250 [2023-12-02 15:20:40,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 601 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:20:40,947 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 122 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:20:40,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 249 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:20:40,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-12-02 15:20:40,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 180. [2023-12-02 15:20:40,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 111 states have (on average 1.3243243243243243) internal successors, (147), 111 states have internal predecessors, (147), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 15:20:40,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 279 transitions. [2023-12-02 15:20:40,991 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 279 transitions. Word has length 204 [2023-12-02 15:20:40,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:20:40,992 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 279 transitions. [2023-12-02 15:20:40,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 15:20:40,993 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 279 transitions. [2023-12-02 15:20:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-02 15:20:40,996 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:20:40,997 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:20:41,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 15:20:41,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 15:20:41,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:20:41,401 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:20:41,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:20:41,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1047882885, now seen corresponding path program 1 times [2023-12-02 15:20:41,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:20:41,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114382791] [2023-12-02 15:20:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:41,403 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:20:41,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:20:41,404 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:20:41,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 15:20:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:20:41,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:20:41,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:20:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1082 proven. 51 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2023-12-02 15:20:42,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:20:42,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 45 proven. 51 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 15:20:42,764 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:20:42,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114382791] [2023-12-02 15:20:42,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114382791] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:20:42,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1267143376] [2023-12-02 15:20:42,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:42,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:20:42,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:20:42,769 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:20:42,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 15:20:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:20:43,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:20:43,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:20:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 15:20:43,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:20:43,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1267143376] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:20:43,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 15:20:43,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-12-02 15:20:43,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766927597] [2023-12-02 15:20:43,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:20:43,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:20:43,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:20:43,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:20:43,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 15:20:43,182 INFO L87 Difference]: Start difference. First operand 180 states and 279 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 15:20:43,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:20:43,293 INFO L93 Difference]: Finished difference Result 348 states and 541 transitions. [2023-12-02 15:20:43,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:20:43,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-12-02 15:20:43,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:20:43,297 INFO L225 Difference]: With dead ends: 348 [2023-12-02 15:20:43,298 INFO L226 Difference]: Without dead ends: 250 [2023-12-02 15:20:43,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 601 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 15:20:43,300 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 123 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:20:43,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 360 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:20:43,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-12-02 15:20:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 180. [2023-12-02 15:20:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 111 states have internal predecessors, (142), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 15:20:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 274 transitions. [2023-12-02 15:20:43,330 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 274 transitions. Word has length 204 [2023-12-02 15:20:43,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:20:43,331 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 274 transitions. [2023-12-02 15:20:43,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 15:20:43,331 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 274 transitions. [2023-12-02 15:20:43,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 15:20:43,334 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:20:43,334 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:20:43,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 15:20:43,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 15:20:43,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:20:43,735 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:20:43,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:20:43,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1594875580, now seen corresponding path program 1 times [2023-12-02 15:20:43,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:20:43,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114701214] [2023-12-02 15:20:43,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:43,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:20:43,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:20:43,738 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:20:43,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 15:20:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:20:44,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:20:44,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:20:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 15:20:46,186 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:20:46,186 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:20:46,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114701214] [2023-12-02 15:20:46,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114701214] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:20:46,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:20:46,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:20:46,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557411440] [2023-12-02 15:20:46,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:20:46,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:20:46,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:20:46,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:20:46,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:20:46,189 INFO L87 Difference]: Start difference. First operand 180 states and 274 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 15:20:46,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:20:46,841 INFO L93 Difference]: Finished difference Result 457 states and 692 transitions. [2023-12-02 15:20:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:20:46,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2023-12-02 15:20:46,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:20:46,845 INFO L225 Difference]: With dead ends: 457 [2023-12-02 15:20:46,845 INFO L226 Difference]: Without dead ends: 278 [2023-12-02 15:20:46,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:20:46,848 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 99 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:20:46,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 423 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 15:20:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2023-12-02 15:20:46,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 261. [2023-12-02 15:20:46,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 158 states have (on average 1.259493670886076) internal successors, (199), 158 states have internal predecessors, (199), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-12-02 15:20:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 397 transitions. [2023-12-02 15:20:46,889 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 397 transitions. Word has length 205 [2023-12-02 15:20:46,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:20:46,889 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 397 transitions. [2023-12-02 15:20:46,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 15:20:46,890 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 397 transitions. [2023-12-02 15:20:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-02 15:20:46,892 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:20:46,892 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:20:46,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-12-02 15:20:47,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:20:47,093 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:20:47,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:20:47,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1132361636, now seen corresponding path program 1 times [2023-12-02 15:20:47,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:20:47,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242124896] [2023-12-02 15:20:47,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:47,095 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 [2023-12-02 15:20:47,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:20:47,096 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:20:47,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6216c64-fbf5-45f2-b2b9-2c764ed7cd68/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 15:20:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:20:47,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 15:20:47,553 INFO L285 TraceCheckSpWp]: Computing forward predicates...