./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire --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 88c823ba6d01c08a1ca0aef14f9fe845aa3afb85e89e5682ca1c816caf454f50 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:49,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:49,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:14:49,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:49,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:49,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:49,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:49,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:49,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:49,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:49,410 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:49,410 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:49,411 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:49,411 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:49,412 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:49,412 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:49,413 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:49,413 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:49,414 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:49,414 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:49,415 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:49,415 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:49,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:49,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:49,417 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:49,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:49,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:49,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:49,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:49,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:49,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:49,419 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:49,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:49,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:49,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:49,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:49,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:49,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:49,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:49,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:49,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:49,422 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:49,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:49,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:49,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:49,422 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:49,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:49,423 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_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88c823ba6d01c08a1ca0aef14f9fe845aa3afb85e89e5682ca1c816caf454f50 [2023-11-23 21:14:49,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:49,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:49,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:49,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:49,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:49,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i [2023-11-23 21:14:52,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:53,217 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:53,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i [2023-11-23 21:14:53,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/data/ce8ea67f2/fce2e25899b3496987fde54f11e0fd5f/FLAG3d8b9133b [2023-11-23 21:14:53,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/data/ce8ea67f2/fce2e25899b3496987fde54f11e0fd5f [2023-11-23 21:14:53,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:53,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:53,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:53,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:53,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:53,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cfd2e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53, skipping insertion in model container [2023-11-23 21:14:53,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:53,479 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_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i[915,928] [2023-11-23 21:14:53,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:53,555 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:53,569 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_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i[915,928] [2023-11-23 21:14:53,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:53,625 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:53,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53 WrapperNode [2023-11-23 21:14:53,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:53,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:53,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:53,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:53,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,707 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-23 21:14:53,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:53,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:53,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:53,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:53,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:53,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:53,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:53,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:53,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (1/1) ... [2023-11-23 21:14:53,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:53,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:53,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:53,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:53,901 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:53,903 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:54,285 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:54,661 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:54,661 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:54,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:54 BoogieIcfgContainer [2023-11-23 21:14:54,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:54,671 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:54,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:54,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:54,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:53" (1/3) ... [2023-11-23 21:14:54,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e11d868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:54, skipping insertion in model container [2023-11-23 21:14:54,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:53" (2/3) ... [2023-11-23 21:14:54,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e11d868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:54, skipping insertion in model container [2023-11-23 21:14:54,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:54" (3/3) ... [2023-11-23 21:14:54,680 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-30.i [2023-11-23 21:14:54,705 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:54,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:54,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:54,773 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;@12b610df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:54,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 21:14:54,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 21:14:54,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:54,789 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:54,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:54,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:54,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1907569455, now seen corresponding path program 1 times [2023-11-23 21:14:54,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:54,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212185289] [2023-11-23 21:14:54,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:54,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:55,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:14:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:55,689 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:14:55,693 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:14:55,694 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:14:55,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:14:55,712 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:14:55,717 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:14:55,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:14:55 BoogieIcfgContainer [2023-11-23 21:14:55,854 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:14:55,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:14:55,857 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:14:55,858 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:14:55,858 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:54" (3/4) ... [2023-11-23 21:14:55,861 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:14:55,863 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:14:55,865 INFO L158 Benchmark]: Toolchain (without parser) took 2610.03ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 133.9MB in the beginning and 156.6MB in the end (delta: -22.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,866 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory was 131.1MB in the beginning and 131.1MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:55,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.20ms. Allocated memory is still 167.8MB. Free memory was 133.9MB in the beginning and 120.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.92ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 117.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,875 INFO L158 Benchmark]: Boogie Preprocessor took 34.67ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 115.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,878 INFO L158 Benchmark]: RCFGBuilder took 924.90ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 115.8MB in the beginning and 204.7MB in the end (delta: -88.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,879 INFO L158 Benchmark]: TraceAbstraction took 1182.70ms. Allocated memory is still 237.0MB. Free memory was 203.8MB in the beginning and 156.6MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:55,881 INFO L158 Benchmark]: Witness Printer took 8.85ms. Allocated memory is still 237.0MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:55,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory was 131.1MB in the beginning and 131.1MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.20ms. Allocated memory is still 167.8MB. Free memory was 133.9MB in the beginning and 120.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.92ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 117.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.67ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 115.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 924.90ms. Allocated memory was 167.8MB in the beginning and 237.0MB in the end (delta: 69.2MB). Free memory was 115.8MB in the beginning and 204.7MB in the end (delta: -88.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1182.70ms. Allocated memory is still 237.0MB. Free memory was 203.8MB in the beginning and 156.6MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 8.85ms. Allocated memory is still 237.0MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 39, overapproximation of bitwiseAnd at line 82, overapproximation of someBinaryArithmeticDOUBLEoperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] double var_1_5 = 127.5; [L25] double var_1_7 = 10000000000000.125; [L26] double var_1_8 = 1.25; [L27] double var_1_10 = 25.7; [L28] signed long int var_1_11 = -2; [L29] signed long int var_1_13 = 5; [L30] signed long int var_1_14 = 128; [L31] signed long int var_1_15 = 1000; [L32] double var_1_16 = 0.2; [L33] double var_1_17 = 0.25; [L34] double var_1_18 = 99999999999999.5; [L35] signed short int var_1_19 = -64; [L36] double var_1_20 = 256.75; [L37] double var_1_21 = 100.4; [L38] double var_1_22 = 4.5; [L39] double var_1_23 = -0.5; [L40] signed long int var_1_24 = 10; [L41] signed char var_1_25 = -8; [L42] signed char var_1_26 = 10; [L43] signed long int var_1_27 = 256; [L44] unsigned char var_1_28 = 4; [L45] unsigned char var_1_29 = 32; [L46] unsigned char last_1_var_1_1 = 1; [L47] signed long int last_1_var_1_11 = -2; [L48] signed long int last_1_var_1_15 = 1000; [L49] double last_1_var_1_16 = 0.2; [L156] isInitial = 1 [L157] FCALL initially() [L158] COND TRUE 1 [L159] CALL updateLastVariables() [L146] last_1_var_1_1 = var_1_1 [L147] last_1_var_1_11 = var_1_11 [L148] last_1_var_1_15 = var_1_15 [L149] last_1_var_1_16 = var_1_16 [L159] RET updateLastVariables() [L160] CALL updateVariables() [L113] var_1_4 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L115] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L116] var_1_7 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L118] var_1_10 = __VERIFIER_nondet_double() [L119] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L120] var_1_13 = __VERIFIER_nondet_long() [L121] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L122] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L123] var_1_14 = __VERIFIER_nondet_long() [L124] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L125] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L126] var_1_17 = __VERIFIER_nondet_double() [L127] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L128] var_1_18 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_20=1027/4, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L130] var_1_20 = __VERIFIER_nondet_double() [L131] CALL assume_abort_if_not((var_1_20 >= -922337.2036854776000e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_20 >= -922337.2036854776000e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L132] var_1_21 = __VERIFIER_nondet_double() [L133] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_22=9/2, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L134] var_1_22 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L136] var_1_23 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=10, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L138] var_1_26 = __VERIFIER_nondet_char() [L139] CALL assume_abort_if_not(var_1_26 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=-127, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_26 >= -127) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=-127, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L140] CALL assume_abort_if_not(var_1_26 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=-127, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_26 <= 126) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=-127, var_1_27=256, var_1_28=4, var_1_29=32, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L141] var_1_29 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=-127, var_1_27=256, var_1_28=4, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=-127, var_1_27=256, var_1_28=4, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L143] CALL assume_abort_if_not(var_1_29 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=-127, var_1_27=256, var_1_28=4, var_1_29=0, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_29 <= 254) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=4, var_1_14=4, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=-127, var_1_27=256, var_1_28=4, var_1_29=0, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L160] RET updateVariables() [L161] CALL step() [L53] COND TRUE (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) - var_1_21) == (var_1_22 * var_1_23) [L54] var_1_19 = -4 [L56] var_1_24 = var_1_19 [L57] var_1_25 = var_1_26 [L58] var_1_27 = var_1_25 [L59] var_1_28 = var_1_29 [L60] COND TRUE \read(last_1_var_1_1) [L61] COND TRUE ((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16 [L62] var_1_11 = ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))) [L67] signed long int stepLocal_0 = last_1_var_1_11; [L68] COND TRUE (last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= stepLocal_0 [L69] var_1_1 = var_1_4 [L71] signed long int stepLocal_2 = var_1_11; [L72] unsigned char stepLocal_1 = var_1_1; [L73] COND TRUE \read(var_1_1) [L74] COND TRUE var_1_11 >= stepLocal_2 [L75] COND TRUE stepLocal_1 || (var_1_11 < var_1_11) [L76] var_1_5 = var_1_7 [L82] EXPR var_1_11 & var_1_13 [L82] COND FALSE !((- var_1_11) > (var_1_11 & var_1_13)) [L93] var_1_15 = var_1_13 [L95] COND TRUE ((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7 [L96] var_1_16 = (var_1_17 + (var_1_18 + 16.75)) [L100] COND TRUE 10.55f < var_1_16 [L101] COND FALSE !(var_1_16 > (var_1_7 * var_1_16)) [L161] RET step() [L162] CALL, EXPR property() [L152] EXPR ((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) [L152] EXPR var_1_11 & var_1_13 [L152] EXPR ((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) [L152-L153] return (((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L162] RET, EXPR property() [L162] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=5/4, var_1_11=4, var_1_13=4, var_1_14=4, var_1_15=4, var_1_16=100000000000004, var_1_17=100000000000004, var_1_19=-4, var_1_1=1, var_1_24=-4, var_1_25=-127, var_1_26=-127, var_1_27=-127, var_1_28=0, var_1_29=0, var_1_4=1, var_1_5=255/2, var_1_7=255/2, var_1_8=5/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=5/4, var_1_11=4, var_1_13=4, var_1_14=4, var_1_15=4, var_1_16=100000000000004, var_1_17=100000000000004, var_1_19=-4, var_1_1=1, var_1_24=-4, var_1_25=-127, var_1_26=-127, var_1_27=-127, var_1_28=0, var_1_29=0, var_1_4=1, var_1_5=255/2, var_1_7=255/2, var_1_8=5/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 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 [2023-11-23 21:14:55,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire --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 88c823ba6d01c08a1ca0aef14f9fe845aa3afb85e89e5682ca1c816caf454f50 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:58,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:58,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:14:58,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:58,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:58,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:58,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:58,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:58,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:58,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:58,901 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:58,902 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:58,902 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:58,903 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:58,903 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:58,904 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:58,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:58,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:58,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:58,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:58,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:58,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:58,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:58,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:58,908 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:58,909 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:58,909 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:58,910 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:58,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:58,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:58,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:58,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:58,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:58,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:58,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:58,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:58,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:58,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:58,915 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:58,915 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:58,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:58,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:58,917 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:58,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:58,917 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_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88c823ba6d01c08a1ca0aef14f9fe845aa3afb85e89e5682ca1c816caf454f50 [2023-11-23 21:14:59,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:59,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:59,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:59,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:59,364 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:59,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i [2023-11-23 21:15:02,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:03,022 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:03,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i [2023-11-23 21:15:03,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/data/b4d0193f3/c66f623a07c948cd9ded51f7483ccd28/FLAG8731a40e9 [2023-11-23 21:15:03,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/data/b4d0193f3/c66f623a07c948cd9ded51f7483ccd28 [2023-11-23 21:15:03,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:03,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:03,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:03,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:03,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:03,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbfa19b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03, skipping insertion in model container [2023-11-23 21:15:03,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:03,370 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_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i[915,928] [2023-11-23 21:15:03,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:03,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:03,529 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_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-30.i[915,928] [2023-11-23 21:15:03,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:03,623 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:03,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03 WrapperNode [2023-11-23 21:15:03,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:03,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:03,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:03,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:03,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,725 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-11-23 21:15:03,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:03,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:03,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:03,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:03,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:03,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:03,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:03,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:03,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:03,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:03,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:03,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:15:03,935 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:04,060 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:04,063 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:16,207 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:16,280 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:16,280 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:16,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:16 BoogieIcfgContainer [2023-11-23 21:15:16,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:16,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:16,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:16,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:16,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:03" (1/3) ... [2023-11-23 21:15:16,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762f50f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:16, skipping insertion in model container [2023-11-23 21:15:16,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (2/3) ... [2023-11-23 21:15:16,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762f50f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:16, skipping insertion in model container [2023-11-23 21:15:16,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:16" (3/3) ... [2023-11-23 21:15:16,294 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-30.i [2023-11-23 21:15:16,314 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:16,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:16,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:16,390 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;@3fd3ad72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:16,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 40 states have (on average 1.475) internal successors, (59), 41 states have internal predecessors, (59), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 21:15:16,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 21:15:16,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:16,429 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:16,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:16,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:16,441 INFO L85 PathProgramCache]: Analyzing trace with hash -2035393304, now seen corresponding path program 1 times [2023-11-23 21:15:16,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:16,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161036098] [2023-11-23 21:15:16,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:16,481 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 [2023-11-23 21:15:16,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:16,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:15:16,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:17,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:15:17,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-23 21:15:18,813 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:18,814 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:18,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161036098] [2023-11-23 21:15:18,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1161036098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:18,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:18,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:18,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478732196] [2023-11-23 21:15:18,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:18,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:15:18,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:18,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:15:18,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:15:18,870 INFO L87 Difference]: Start difference. First operand has 61 states, 40 states have (on average 1.475) internal successors, (59), 41 states have internal predecessors, (59), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-23 21:15:21,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:23,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:25,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:28,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:30,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:32,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:32,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:32,237 INFO L93 Difference]: Finished difference Result 194 states and 347 transitions. [2023-11-23 21:15:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:15:32,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119 [2023-11-23 21:15:32,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:32,308 INFO L225 Difference]: With dead ends: 194 [2023-11-23 21:15:32,308 INFO L226 Difference]: Without dead ends: 134 [2023-11-23 21:15:32,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:15:32,318 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 82 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 39 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:32,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 272 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 16 Invalid, 6 Unknown, 0 Unchecked, 13.2s Time] [2023-11-23 21:15:32,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-23 21:15:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 115. [2023-11-23 21:15:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.355263157894737) internal successors, (103), 76 states have internal predecessors, (103), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:15:32,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 175 transitions. [2023-11-23 21:15:32,427 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 175 transitions. Word has length 119 [2023-11-23 21:15:32,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:32,430 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 175 transitions. [2023-11-23 21:15:32,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-23 21:15:32,431 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 175 transitions. [2023-11-23 21:15:32,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-23 21:15:32,440 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:32,441 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:32,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:15:32,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:32,659 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:32,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:32,660 INFO L85 PathProgramCache]: Analyzing trace with hash 282131000, now seen corresponding path program 1 times [2023-11-23 21:15:32,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:32,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371816544] [2023-11-23 21:15:32,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:32,661 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 [2023-11-23 21:15:32,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:32,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:15:32,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:15:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:33,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:15:33,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 36 proven. 96 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 21:15:36,341 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-23 21:15:37,370 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:37,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371816544] [2023-11-23 21:15:37,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371816544] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:37,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [838194264] [2023-11-23 21:15:37,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:37,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:37,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:15:37,386 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:15:37,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:15:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:39,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:15:39,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:41,259 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 17 proven. 51 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 21:15:41,259 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-23 21:15:41,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [838194264] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:41,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871916183] [2023-11-23 21:15:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:41,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:41,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:41,980 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:41,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c7869-3a6f-4ac8-a5db-98a5eed6f76f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:15:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:42,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:15:42,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:43,624 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 17 proven. 51 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 21:15:43,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-23 21:15:44,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871916183] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:15:44,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:15:44,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 12 [2023-11-23 21:15:44,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992982572] [2023-11-23 21:15:44,264 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:44,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 21:15:44,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:44,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 21:15:44,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:15:44,269 INFO L87 Difference]: Start difference. First operand 115 states and 175 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (53), 2 states have call predecessors, (53), 3 states have call successors, (53) [2023-11-23 21:15:48,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []