./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/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 0b1808498cb6fa5b06851ca505ec91fce3babbc381c17f2bb15d090b4cc3c571 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:16:11,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:16:11,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:16:11,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:16:11,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:16:11,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:16:11,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:16:11,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:16:11,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:16:11,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:16:11,391 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:16:11,392 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:16:11,393 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:16:11,396 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:16:11,396 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:16:11,397 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:16:11,398 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:16:11,398 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:16:11,399 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:16:11,400 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:16:11,400 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:16:11,401 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:16:11,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:16:11,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:16:11,404 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:16:11,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:16:11,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:16:11,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:16:11,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:16:11,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:16:11,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:16:11,408 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:16:11,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:16:11,409 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:16:11,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:16:11,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:16:11,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:16:11,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:11,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:16:11,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:16:11,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:16:11,412 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:16:11,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:16:11,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:16:11,414 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:16:11,414 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:16:11,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:16:11,415 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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b1808498cb6fa5b06851ca505ec91fce3babbc381c17f2bb15d090b4cc3c571 [2023-11-23 21:16:11,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:16:11,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:16:11,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:16:11,789 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:16:11,790 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:16:11,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.i [2023-11-23 21:16:15,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:16:15,440 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:16:15,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.i [2023-11-23 21:16:15,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/data/695b8d798/9e07015656bb493180326f4ef35cd5b0/FLAG84effda19 [2023-11-23 21:16:15,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/data/695b8d798/9e07015656bb493180326f4ef35cd5b0 [2023-11-23 21:16:15,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:16:15,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:16:15,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:15,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:16:15,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:16:15,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536205cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15, skipping insertion in model container [2023-11-23 21:16:15,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,541 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:16:15,719 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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.i[915,928] [2023-11-23 21:16:15,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:15,794 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:16:15,808 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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.i[915,928] [2023-11-23 21:16:15,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:15,878 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:16:15,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15 WrapperNode [2023-11-23 21:16:15,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:15,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:15,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:16:15,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:16:15,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,951 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-11-23 21:16:15,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:15,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:16:15,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:16:15,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:16:15,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:15,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:16:15,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:16:15,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:16:15,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:16:16,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (1/1) ... [2023-11-23 21:16:16,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:16,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:16,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:16:16,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:16:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:16:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:16:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:16:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:16:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:16:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:16:16,199 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:16:16,202 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:16:16,648 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:16:17,008 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:16:17,009 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:16:17,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:17 BoogieIcfgContainer [2023-11-23 21:16:17,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:16:17,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:16:17,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:16:17,022 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:16:17,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:16:15" (1/3) ... [2023-11-23 21:16:17,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3990c0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:17, skipping insertion in model container [2023-11-23 21:16:17,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:15" (2/3) ... [2023-11-23 21:16:17,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3990c0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:17, skipping insertion in model container [2023-11-23 21:16:17,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:17" (3/3) ... [2023-11-23 21:16:17,028 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-44.i [2023-11-23 21:16:17,059 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:16:17,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:16:17,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:16:17,153 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;@1c7a656c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:16:17,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:16:17,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:16:17,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 21:16:17,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:17,179 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:17,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:17,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:17,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1044228278, now seen corresponding path program 1 times [2023-11-23 21:16:17,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:17,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244436500] [2023-11-23 21:16:17,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:17,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:17,497 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:16:17,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130218325] [2023-11-23 21:16:17,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:17,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:16:17,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:17,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:16:17,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:16:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:16:18,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:16:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:16:18,517 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:16:18,520 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:16:18,522 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:16:18,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:16:18,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:16:18,746 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:16:18,753 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:16:18,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:16:18 BoogieIcfgContainer [2023-11-23 21:16:18,905 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:16:18,906 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:16:18,906 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:16:18,907 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:16:18,907 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:17" (3/4) ... [2023-11-23 21:16:18,910 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:16:18,911 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:16:18,912 INFO L158 Benchmark]: Toolchain (without parser) took 3421.98ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 97.7MB in the end (delta: 31.0MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-11-23 21:16:18,913 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 127.9MB. Free memory was 73.9MB in the beginning and 73.8MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:16:18,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.87ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 115.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:16:18,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.80ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 112.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:16:18,915 INFO L158 Benchmark]: Boogie Preprocessor took 39.81ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:16:18,916 INFO L158 Benchmark]: RCFGBuilder took 1018.74ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 66.5MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 21:16:18,916 INFO L158 Benchmark]: TraceAbstraction took 1888.94ms. Allocated memory is still 167.8MB. Free memory was 65.8MB in the beginning and 98.7MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:16:18,917 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 167.8MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:16:18,921 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 127.9MB. Free memory was 73.9MB in the beginning and 73.8MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.87ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 115.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.80ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 112.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.81ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1018.74ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 66.5MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1888.94ms. Allocated memory is still 167.8MB. Free memory was 65.8MB in the beginning and 98.7MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 167.8MB. Free memory is still 97.7MB. 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 someBinaryFLOATComparisonOperation at line 51, overapproximation of bitwiseOr at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 77. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 16; [L23] unsigned char var_1_5 = 1; [L24] signed short int var_1_8 = -5; [L25] double var_1_10 = 256.475; [L26] double var_1_11 = 4.8; [L27] unsigned long int var_1_14 = 0; [L28] signed char var_1_15 = -5; [L29] unsigned long int var_1_16 = 500; [L30] unsigned long int var_1_17 = 4182428128; [L31] unsigned long int var_1_18 = 16; [L32] signed char var_1_19 = -5; [L33] signed char var_1_20 = 0; [L34] signed char var_1_21 = 64; [L35] float var_1_22 = 49.375; [L36] signed short int var_1_23 = 256; [L37] signed short int var_1_24 = 8; [L38] float var_1_25 = 255.5; [L39] float var_1_26 = 500.14; [L40] signed long int var_1_27 = -8; [L41] signed short int var_1_30 = -2; [L42] double var_1_31 = 0.3; [L43] signed char var_1_32 = 16; [L44] float last_1_var_1_22 = 49.375; [L45] signed short int last_1_var_1_30 = -2; [L46] signed char last_1_var_1_32 = 16; [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L128] last_1_var_1_22 = var_1_22 [L129] last_1_var_1_30 = var_1_30 [L130] last_1_var_1_32 = var_1_32 [L140] RET updateLastVariables() [L141] CALL updateVariables() [L90] var_1_5 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_10=10259/40, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_8=-5] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_10=10259/40, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_8=-5] [L92] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_10=10259/40, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_10=10259/40, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L93] var_1_10 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_11=24/5, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L95] var_1_11 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=-5, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L97] var_1_15 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L99] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L100] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=500, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L101] var_1_16 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L103] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=4182428128, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L104] var_1_17 = __VERIFIER_nondet_ulong() [L105] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L106] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=16, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L107] var_1_18 = __VERIFIER_nondet_ulong() [L108] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L109] CALL assume_abort_if_not(var_1_18 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_18 <= 1073741823) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=0, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L110] var_1_20 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_20 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_20 >= -126) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L112] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=64, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L113] var_1_21 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L115] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=256, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L116] var_1_23 = __VERIFIER_nondet_short() [L117] CALL assume_abort_if_not(var_1_23 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_23 >= -1) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L118] CALL assume_abort_if_not(var_1_23 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_23 <= 32767) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=8, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L119] var_1_24 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=0, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=0, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L121] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=0, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=0, var_1_25=511/2, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L122] var_1_25 = __VERIFIER_nondet_float() [L123] CALL assume_abort_if_not((var_1_25 >= 0.0F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=0, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not((var_1_25 >= 0.0F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=0, var_1_26=25007/50, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L124] var_1_26 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=0, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=0, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=-5, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=395/8, var_1_23=-1, var_1_24=0, var_1_27=-8, var_1_30=-2, var_1_31=3/10, var_1_32=16, var_1_5=1, var_1_8=-5] [L141] RET updateVariables() [L142] CALL step() [L50] COND TRUE ((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))) < (((((var_1_10 - var_1_11)) < (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))))) ? ((var_1_10 - var_1_11)) : (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22)))))) [L51] COND TRUE last_1_var_1_22 >= last_1_var_1_22 [L52] var_1_8 = last_1_var_1_32 [L59] unsigned long int stepLocal_1 = var_1_18; [L60] COND TRUE 256 > stepLocal_1 [L61] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) > (var_1_21)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (var_1_21))) [L63] var_1_31 = var_1_26 [L64] var_1_32 = var_1_21 [L65] var_1_30 = ((((var_1_15) > (var_1_32)) ? (var_1_15) : (var_1_32))) [L66] signed short int stepLocal_0 = var_1_8; [L67] EXPR (var_1_32 + var_1_19) ^ (var_1_30 + var_1_32) [L67] COND FALSE !(stepLocal_0 == ((var_1_32 + var_1_19) ^ (var_1_30 + var_1_32))) [L70] COND FALSE !(var_1_30 == ((((var_1_30) < ((var_1_8 / var_1_15))) ? (var_1_30) : ((var_1_8 / var_1_15))))) [L73] var_1_14 = (var_1_17 - (16u + var_1_18)) [L75] signed long int stepLocal_2 = var_1_23 - var_1_24; [L76] COND TRUE stepLocal_2 > var_1_14 [L77] var_1_22 = (var_1_25 - var_1_26) [L79] COND FALSE !(! var_1_5) [L82] COND TRUE var_1_11 > var_1_22 [L83] var_1_27 = var_1_19 [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR (var_1_32 + var_1_19) ^ (var_1_30 + var_1_32) [L133-L134] return (((((((((var_1_8 == ((var_1_32 + var_1_19) ^ (var_1_30 + var_1_32))) ? (var_1_1 == ((signed long int) var_1_8)) : 1) && ((((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))) < (((((var_1_10 - var_1_11)) < (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))))) ? ((var_1_10 - var_1_11)) : (((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22))))))) ? ((last_1_var_1_22 >= last_1_var_1_22) ? (var_1_8 == ((signed short int) last_1_var_1_32)) : (var_1_8 == ((signed short int) last_1_var_1_30))) : (var_1_8 == ((signed short int) 0)))) && ((var_1_30 == ((((var_1_30) < ((var_1_8 / var_1_15))) ? (var_1_30) : ((var_1_8 / var_1_15))))) ? (var_1_14 == ((unsigned long int) var_1_16)) : (var_1_14 == ((unsigned long int) (var_1_17 - (16u + var_1_18)))))) && ((256 > var_1_18) ? (var_1_19 == ((signed char) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) > (var_1_21)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (var_1_21))))) : 1)) && (((var_1_23 - var_1_24) > var_1_14) ? (var_1_22 == ((float) (var_1_25 - var_1_26))) : 1)) && ((! var_1_5) ? (var_1_27 == ((signed long int) ((var_1_32 + var_1_24) + (var_1_30 + (var_1_20 + var_1_32))))) : ((var_1_11 > var_1_22) ? (var_1_27 == ((signed long int) var_1_19)) : (var_1_27 == ((signed long int) var_1_32))))) && (var_1_30 == ((signed short int) ((((var_1_15) > (var_1_32)) ? (var_1_15) : (var_1_32)))))) && (var_1_31 == ((double) var_1_26))) && (var_1_32 == ((signed char) var_1_21)) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=2147483376, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=17, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=0, var_1_23=-1, var_1_24=0, var_1_26=2, var_1_27=17, var_1_30=17, var_1_31=2, var_1_32=-17, var_1_5=1, var_1_8=16] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=395/8, last_1_var_1_30=-2, last_1_var_1_32=16, var_1_14=2147483376, var_1_15=17, var_1_16=0, var_1_17=2147483647, var_1_18=255, var_1_19=17, var_1_1=16, var_1_20=17, var_1_21=-17, var_1_22=0, var_1_23=-1, var_1_24=0, var_1_26=2, var_1_27=17, var_1_30=17, var_1_31=2, var_1_32=-17, var_1_5=1, var_1_8=16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:16:18,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/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 0b1808498cb6fa5b06851ca505ec91fce3babbc381c17f2bb15d090b4cc3c571 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:16:21,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:16:21,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:16:21,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:16:21,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:16:21,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:16:21,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:16:21,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:16:21,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:16:21,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:16:21,853 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:16:21,854 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:16:21,854 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:16:21,856 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:16:21,857 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:16:21,857 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:16:21,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:16:21,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:16:21,864 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:16:21,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:16:21,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:16:21,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:16:21,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:16:21,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:16:21,867 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:16:21,868 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:16:21,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:16:21,868 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:16:21,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:16:21,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:16:21,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:16:21,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:16:21,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:16:21,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:16:21,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:21,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:16:21,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:16:21,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:16:21,873 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:16:21,874 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:16:21,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:16:21,875 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:16:21,875 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:16:21,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:16:21,876 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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b1808498cb6fa5b06851ca505ec91fce3babbc381c17f2bb15d090b4cc3c571 [2023-11-23 21:16:22,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:16:22,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:16:22,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:16:22,342 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:16:22,343 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:16:22,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.i [2023-11-23 21:16:25,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:16:25,819 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:16:25,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.i [2023-11-23 21:16:25,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/data/f82d3928a/5e37585f0b1d4ac1ba3df1b512ea9ec5/FLAG78f5a7ae3 [2023-11-23 21:16:25,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/data/f82d3928a/5e37585f0b1d4ac1ba3df1b512ea9ec5 [2023-11-23 21:16:25,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:16:25,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:16:25,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:25,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:16:25,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:16:25,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:25" (1/1) ... [2023-11-23 21:16:25,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755fb33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:25, skipping insertion in model container [2023-11-23 21:16:25,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:25" (1/1) ... [2023-11-23 21:16:25,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:16:26,056 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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.i[915,928] [2023-11-23 21:16:26,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:26,176 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:16:26,198 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_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-44.i[915,928] [2023-11-23 21:16:26,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:26,265 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:16:26,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26 WrapperNode [2023-11-23 21:16:26,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:26,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:26,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:16:26,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:16:26,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,337 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2023-11-23 21:16:26,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:26,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:16:26,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:16:26,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:16:26,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:16:26,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:16:26,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:16:26,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:16:26,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (1/1) ... [2023-11-23 21:16:26,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:26,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:26,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:16:26,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:16:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:16:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:16:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:16:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:16:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:16:26,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:16:26,643 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:16:26,649 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:16:30,600 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:16:30,653 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:16:30,653 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:16:30,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:30 BoogieIcfgContainer [2023-11-23 21:16:30,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:16:30,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:16:30,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:16:30,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:16:30,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:16:25" (1/3) ... [2023-11-23 21:16:30,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c855af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:30, skipping insertion in model container [2023-11-23 21:16:30,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:26" (2/3) ... [2023-11-23 21:16:30,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c855af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:30, skipping insertion in model container [2023-11-23 21:16:30,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:30" (3/3) ... [2023-11-23 21:16:30,663 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-44.i [2023-11-23 21:16:30,694 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:16:30,695 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:16:30,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:16:30,749 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;@66b9137e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:16:30,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:16:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:16:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 21:16:30,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:30,771 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:16:30,772 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:30,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:30,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1473191812, now seen corresponding path program 1 times [2023-11-23 21:16:30,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:16:30,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636793169] [2023-11-23 21:16:30,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:30,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:16:30,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:16:30,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:16:30,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0ed3f9-5bd3-4821-ba32-4dd85d77be10/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:16:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:31,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 21:16:31,503 INFO L285 TraceCheckSpWp]: Computing forward predicates...