./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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_c7956f14-88ad-45da-9363-fe71e4cff173/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 874b8c0685149675525220fee2d5689c1d5289515348c6c05c19ae6cc8a7fb40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:28,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:29,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:34:29,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:29,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:29,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:29,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:29,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:29,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:29,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:29,069 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:29,070 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:29,071 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:29,072 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:34:29,073 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:29,073 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:29,074 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:34:29,074 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:34:29,075 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:29,075 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:34:29,076 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:34:29,076 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:34:29,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:29,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:29,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:34:29,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:34:29,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:34:29,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:29,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:29,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:29,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:29,082 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:34:29,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:29,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:29,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:29,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:29,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:29,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:29,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:29,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:29,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:29,085 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:34:29,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:34:29,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:29,086 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:29,087 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:29,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:29,087 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_c7956f14-88ad-45da-9363-fe71e4cff173/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 874b8c0685149675525220fee2d5689c1d5289515348c6c05c19ae6cc8a7fb40 [2023-11-23 20:34:29,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:29,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:29,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:29,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:29,463 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:29,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i [2023-11-23 20:34:32,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:32,847 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:32,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i [2023-11-23 20:34:32,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/data/78f461ba8/3c229a1b8f3b4b4490e38db577b9137e/FLAG11cda2a3e [2023-11-23 20:34:32,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/data/78f461ba8/3c229a1b8f3b4b4490e38db577b9137e [2023-11-23 20:34:32,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:32,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:32,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:32,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:32,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:32,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:32" (1/1) ... [2023-11-23 20:34:32,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a99aae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:32, skipping insertion in model container [2023-11-23 20:34:32,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:32" (1/1) ... [2023-11-23 20:34:32,936 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:33,093 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_c7956f14-88ad-45da-9363-fe71e4cff173/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i[917,930] [2023-11-23 20:34:33,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:33,194 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:33,206 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_c7956f14-88ad-45da-9363-fe71e4cff173/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i[917,930] [2023-11-23 20:34:33,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:33,263 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:33,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33 WrapperNode [2023-11-23 20:34:33,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:33,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:33,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:33,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:33,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,351 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2023-11-23 20:34:33,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:33,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:33,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:33,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:33,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:33,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:33,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:33,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:33,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (1/1) ... [2023-11-23 20:34:33,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:33,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:33,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:33,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:34:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:34:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:34:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:33,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:33,735 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:33,738 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:34,282 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:34,653 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:34,653 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:34:34,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:34 BoogieIcfgContainer [2023-11-23 20:34:34,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:34,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:34,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:34,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:34,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:32" (1/3) ... [2023-11-23 20:34:34,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687f0e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:34, skipping insertion in model container [2023-11-23 20:34:34,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:33" (2/3) ... [2023-11-23 20:34:34,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687f0e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:34, skipping insertion in model container [2023-11-23 20:34:34,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:34" (3/3) ... [2023-11-23 20:34:34,668 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-47.i [2023-11-23 20:34:34,689 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:34,689 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:34:34,755 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:34,764 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;@7340c63c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:34,765 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:34:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 20:34:34,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 20:34:34,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:34,785 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:34,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:34,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:34,794 INFO L85 PathProgramCache]: Analyzing trace with hash 24176833, now seen corresponding path program 1 times [2023-11-23 20:34:34,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:34,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198476099] [2023-11-23 20:34:34,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:34,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:35,056 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:34:35,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365300441] [2023-11-23 20:34:35,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:35,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:34:35,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:35,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:34:35,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:34:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:34:35,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:34:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:34:35,855 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:34:35,858 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:34:35,859 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:34:35,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:36,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:34:36,075 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:34:36,079 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:34:36,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:34:36 BoogieIcfgContainer [2023-11-23 20:34:36,231 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:34:36,232 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:34:36,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:34:36,232 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:34:36,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:34" (3/4) ... [2023-11-23 20:34:36,235 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:34:36,236 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:34:36,237 INFO L158 Benchmark]: Toolchain (without parser) took 3353.59ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 95.6MB in the beginning and 115.0MB in the end (delta: -19.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-11-23 20:34:36,238 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 142.6MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:36,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.66ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 80.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:34:36,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.62ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 75.9MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:34:36,246 INFO L158 Benchmark]: Boogie Preprocessor took 123.77ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 73.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:34:36,248 INFO L158 Benchmark]: RCFGBuilder took 1178.08ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 73.0MB in the beginning and 94.5MB in the end (delta: -21.5MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-23 20:34:36,248 INFO L158 Benchmark]: TraceAbstraction took 1572.97ms. Allocated memory is still 182.5MB. Free memory was 93.5MB in the beginning and 115.0MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:36,249 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 182.5MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:36,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 142.6MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.66ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 80.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.62ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 75.9MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.77ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 73.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1178.08ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 73.0MB in the beginning and 94.5MB in the end (delta: -21.5MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1572.97ms. Allocated memory is still 182.5MB. Free memory was 93.5MB in the beginning and 115.0MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 182.5MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of bitwiseOr at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] double var_1_2 = 50.5; [L24] double var_1_3 = 0.875; [L25] unsigned short int var_1_4 = 49926; [L26] unsigned short int var_1_5 = 500; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 2; [L29] unsigned char var_1_8 = 64; [L30] unsigned short int var_1_9 = 5; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 10; [L33] float var_1_12 = 0.19999999999999996; [L34] float var_1_13 = 9.2; [L35] float var_1_14 = 5.8; [L36] float var_1_15 = 31.25; [L37] unsigned char var_1_16 = 1; [L38] unsigned char var_1_17 = 0; [L39] unsigned char var_1_18 = 0; [L40] unsigned char var_1_19 = 1; [L41] unsigned short int var_1_20 = 256; [L42] unsigned short int var_1_21 = 23544; [L43] unsigned long int var_1_22 = 64; [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] FCALL updateLastVariables() [L144] CALL updateVariables() [L91] var_1_2 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L93] var_1_3 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L95] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L96] var_1_4 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L98] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L99] var_1_5 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L101] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=10, var_1_7=2, var_1_8=64, var_1_9=5] [L102] var_1_6 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_7=2, var_1_8=64, var_1_9=5] [L104] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=2, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=2, var_1_8=64, var_1_9=5] [L105] var_1_7 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_8=64, var_1_9=5] [L107] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=5] [L108] var_1_9 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64] [L110] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L111] var_1_10 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L113] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L114] var_1_11 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L116] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L117] var_1_13 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L119] var_1_14 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L121] var_1_15 = __VERIFIER_nondet_float() [L122] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L123] var_1_17 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L125] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L126] var_1_18 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L128] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L129] var_1_21 = __VERIFIER_nondet_ushort() [L130] CALL assume_abort_if_not(var_1_21 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_21 >= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L131] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L144] RET updateVariables() [L145] CALL step() [L47] COND TRUE var_1_2 >= (1.3 / var_1_3) [L48] var_1_1 = ((var_1_4 - var_1_5) - var_1_6) [L52] signed long int stepLocal_0 = 32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))); [L53] COND FALSE !(var_1_5 >= stepLocal_0) [L58] COND FALSE !(\read(var_1_10)) [L63] var_1_12 = var_1_14 [L65] COND FALSE !((var_1_6 + var_1_8) > (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + var_1_1)) [L68] var_1_16 = var_1_18 [L70] unsigned char stepLocal_1 = var_1_1 < 64; [L71] COND FALSE !(\read(var_1_16)) [L76] unsigned short int stepLocal_2 = var_1_4; [L77] COND TRUE var_1_6 <= stepLocal_2 [L78] COND FALSE !(\read(var_1_16)) [L81] var_1_20 = 16 [L86] EXPR 2 ^ var_1_1 [L86] EXPR (((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1)) [L86] COND FALSE !(var_1_8 >= (((((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1))))) [L145] RET step() [L146] CALL, EXPR property() [L136] EXPR (((((((var_1_2 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_5) - var_1_6))) : (var_1_1 == ((unsigned short int) ((((var_1_7) < (var_1_4)) ? (var_1_7) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (var_1_10 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_10 ? (((var_1_8 * var_1_7) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((var_1_6 + var_1_8) > (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + var_1_1)) ? (var_1_16 == ((unsigned char) (var_1_10 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_10) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_6 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_5))))) && ((var_1_8 >= (((((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1))))) ? (var_1_22 == ((unsigned long int) var_1_8)) : 1) [L136-L137] return (((((((var_1_2 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_5) - var_1_6))) : (var_1_1 == ((unsigned short int) ((((var_1_7) < (var_1_4)) ? (var_1_7) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (var_1_10 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_10 ? (((var_1_8 * var_1_7) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((var_1_6 + var_1_8) > (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + var_1_1)) ? (var_1_16 == ((unsigned char) (var_1_10 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_10) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_6 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_5))))) && ((var_1_8 >= (((((var_1_4 * var_1_6)) > ((2 ^ var_1_1))) ? ((var_1_4 * var_1_6)) : ((2 ^ var_1_1))))) ? (var_1_22 == ((unsigned long int) var_1_8)) : 1) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=65534, var_1_8=64, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 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 20:34:36,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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_c7956f14-88ad-45da-9363-fe71e4cff173/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 874b8c0685149675525220fee2d5689c1d5289515348c6c05c19ae6cc8a7fb40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:39,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:39,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:34:39,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:39,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:39,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:39,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:39,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:39,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:39,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:39,253 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:39,253 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:39,254 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:39,255 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:39,256 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:39,256 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:39,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:39,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:39,258 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:34:39,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:34:39,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:39,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:39,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:39,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:39,262 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:34:39,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:34:39,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:34:39,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:34:39,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:39,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:39,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:39,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:34:39,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:39,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:39,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:39,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:39,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:39,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:39,269 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:34:39,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:34:39,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:39,270 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:39,271 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:39,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:39,271 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_c7956f14-88ad-45da-9363-fe71e4cff173/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 874b8c0685149675525220fee2d5689c1d5289515348c6c05c19ae6cc8a7fb40 [2023-11-23 20:34:39,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:39,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:39,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:39,734 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:39,735 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:39,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i [2023-11-23 20:34:43,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:43,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:43,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i [2023-11-23 20:34:43,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/data/46b6a829b/1dc3a39bc14f4d8db762dfe58ae81791/FLAG014cc8ddd [2023-11-23 20:34:43,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/data/46b6a829b/1dc3a39bc14f4d8db762dfe58ae81791 [2023-11-23 20:34:43,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:43,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:43,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:43,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:43,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:43,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:43,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cffbd78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43, skipping insertion in model container [2023-11-23 20:34:43,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:43,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:43,689 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_c7956f14-88ad-45da-9363-fe71e4cff173/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i[917,930] [2023-11-23 20:34:43,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:43,812 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:43,832 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_c7956f14-88ad-45da-9363-fe71e4cff173/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-47.i[917,930] [2023-11-23 20:34:43,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:43,923 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:43,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43 WrapperNode [2023-11-23 20:34:43,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:43,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:43,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:43,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:43,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:43,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:44,009 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-11-23 20:34:44,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:44,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:44,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:44,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:44,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:44,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:44,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:44,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:44,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:44,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:44,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:44,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:44,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:44,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:44,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:44,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:44,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (1/1) ... [2023-11-23 20:34:44,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:44,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:44,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:44,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:34:44,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:34:44,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:34:44,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:44,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:44,298 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:44,300 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:49,649 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:49,706 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:49,706 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:34:49,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:49 BoogieIcfgContainer [2023-11-23 20:34:49,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:49,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:49,709 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:49,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:49,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:43" (1/3) ... [2023-11-23 20:34:49,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ed36f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:49, skipping insertion in model container [2023-11-23 20:34:49,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:43" (2/3) ... [2023-11-23 20:34:49,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ed36f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:49, skipping insertion in model container [2023-11-23 20:34:49,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:49" (3/3) ... [2023-11-23 20:34:49,721 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-47.i [2023-11-23 20:34:49,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:49,741 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:34:49,791 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:49,798 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;@5faf4b5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:49,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:34:49,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 20:34:49,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-23 20:34:49,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:49,821 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:49,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:49,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:49,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1488647061, now seen corresponding path program 1 times [2023-11-23 20:34:49,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:49,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884848783] [2023-11-23 20:34:49,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:49,845 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 20:34:49,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:49,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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 20:34:49,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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 20:34:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:51,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:34:51,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 666 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-23 20:34:51,251 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:51,252 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:51,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884848783] [2023-11-23 20:34:51,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884848783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:51,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:51,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:34:51,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171915669] [2023-11-23 20:34:51,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:51,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:34:51,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:51,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:34:51,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:34:51,295 INFO L87 Difference]: Start difference. First operand has 68 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 20:34:53,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:34:53,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:53,567 INFO L93 Difference]: Finished difference Result 133 states and 238 transitions. [2023-11-23 20:34:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:34:53,650 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160 [2023-11-23 20:34:53,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:53,656 INFO L225 Difference]: With dead ends: 133 [2023-11-23 20:34:53,657 INFO L226 Difference]: Without dead ends: 66 [2023-11-23 20:34:53,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:34:53,669 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:53,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 20:34:53,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-23 20:34:53,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-23 20:34:53,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 20:34:53,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 102 transitions. [2023-11-23 20:34:53,749 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 102 transitions. Word has length 160 [2023-11-23 20:34:53,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:53,750 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 102 transitions. [2023-11-23 20:34:53,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 20:34:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2023-11-23 20:34:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-23 20:34:53,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:53,768 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:53,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:53,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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 20:34:53,982 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:53,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:53,983 INFO L85 PathProgramCache]: Analyzing trace with hash 749243597, now seen corresponding path program 1 times [2023-11-23 20:34:53,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:53,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517429326] [2023-11-23 20:34:53,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:53,985 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 20:34:53,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:53,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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 20:34:53,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/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 20:34:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:55,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:34:55,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 465 proven. 15 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-23 20:34:56,027 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:34:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-23 20:34:57,042 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:57,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517429326] [2023-11-23 20:34:57,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517429326] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:34:57,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2076789318] [2023-11-23 20:34:57,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:57,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:34:57,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:34:57,057 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:34:57,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:34:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:59,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:34:59,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 465 proven. 15 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-23 20:35:00,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:35:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-23 20:35:00,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2076789318] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:35:00,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741332790] [2023-11-23 20:35:00,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:00,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:35:00,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:35:00,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:35:00,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7956f14-88ad-45da-9363-fe71e4cff173/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 20:35:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:01,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:35:01,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:35:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 599 proven. 114 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2023-11-23 20:35:05,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:35:07,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741332790] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:35:07,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2023-11-23 20:35:07,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 9] total 14 [2023-11-23 20:35:07,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92140017] [2023-11-23 20:35:07,253 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2023-11-23 20:35:07,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 20:35:07,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:35:07,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 20:35:07,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-11-23 20:35:07,259 INFO L87 Difference]: Start difference. First operand 66 states and 102 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 4 states have call successors, (53), 4 states have call predecessors, (53), 7 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2023-11-23 20:35:13,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:15,811 WARN L539 Checker$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 20:35:17,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:18,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:21,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:22,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:26,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:28,605 WARN L539 Checker$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 20:35:30,610 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 []