./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX --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 5466bf06a7e4128c8eade79479cd5c3b324b73667698a27af81adcadb4a0f58c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:12,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:12,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:58:12,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:12,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:12,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:12,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:12,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:12,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:12,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:12,379 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:12,380 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:12,380 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:12,381 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:58:12,381 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:12,382 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:12,383 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:58:12,383 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:58:12,384 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:12,385 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:58:12,385 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:58:12,386 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:58:12,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:12,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:58:12,388 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:58:12,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:58:12,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:58:12,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:12,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:58:12,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:12,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:58:12,392 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:58:12,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:58:12,393 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:12,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:12,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:12,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:12,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:12,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:12,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:58:12,396 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:58:12,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:58:12,397 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:58:12,397 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:12,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:12,398 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_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5466bf06a7e4128c8eade79479cd5c3b324b73667698a27af81adcadb4a0f58c [2023-11-12 00:58:12,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:12,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:12,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:12,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:12,762 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:12,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i [2023-11-12 00:58:15,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:58:16,239 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:58:16,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i [2023-11-12 00:58:16,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/data/6a393da4c/dcd04f376b6e49c1ba033fca98da800b/FLAGd55912cd0 [2023-11-12 00:58:16,273 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/data/6a393da4c/dcd04f376b6e49c1ba033fca98da800b [2023-11-12 00:58:16,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:58:16,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:58:16,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:16,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:58:16,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:58:16,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec121f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16, skipping insertion in model container [2023-11-12 00:58:16,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,353 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:58:16,554 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_51c3086b-311d-43c4-9d97-2ca55b320c21/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i[916,929] [2023-11-12 00:58:16,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:16,671 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:58:16,684 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_51c3086b-311d-43c4-9d97-2ca55b320c21/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i[916,929] [2023-11-12 00:58:16,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:16,768 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:58:16,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16 WrapperNode [2023-11-12 00:58:16,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:16,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:16,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:58:16,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:58:16,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,856 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2023-11-12 00:58:16,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:16,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:58:16,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:58:16,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:58:16,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:58:16,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:58:16,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:58:16,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:58:16,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (1/1) ... [2023-11-12 00:58:16,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:16,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:16,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:58:16,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:58:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:58:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:58:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:58:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:58:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:58:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:58:17,128 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:58:17,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:58:17,727 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:58:18,110 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:58:18,111 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:58:18,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:18 BoogieIcfgContainer [2023-11-12 00:58:18,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:58:18,115 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:58:18,115 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:58:18,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:58:18,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:58:16" (1/3) ... [2023-11-12 00:58:18,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510eb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:18, skipping insertion in model container [2023-11-12 00:58:18,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:16" (2/3) ... [2023-11-12 00:58:18,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510eb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:18, skipping insertion in model container [2023-11-12 00:58:18,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:18" (3/3) ... [2023-11-12 00:58:18,122 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-38.i [2023-11-12 00:58:18,142 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:58:18,142 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:58:18,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:58:18,198 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;@3eac3816, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:58:18,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:58:18,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-12 00:58:18,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-12 00:58:18,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:18,213 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:58:18,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:18,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:18,220 INFO L85 PathProgramCache]: Analyzing trace with hash 794592037, now seen corresponding path program 1 times [2023-11-12 00:58:18,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:58:18,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012237391] [2023-11-12 00:58:18,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:18,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:58:18,451 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:58:18,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [608549805] [2023-11-12 00:58:18,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:18,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:58:18,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:18,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:58:18,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:58:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:58:19,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:58:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:58:19,221 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:58:19,223 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:58:19,225 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:58:19,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:58:19,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:58:19,441 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:58:19,446 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:58:19,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:58:19 BoogieIcfgContainer [2023-11-12 00:58:19,582 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:58:19,593 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:58:19,593 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:58:19,593 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:58:19,594 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:18" (3/4) ... [2023-11-12 00:58:19,596 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:58:19,600 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:58:19,601 INFO L158 Benchmark]: Toolchain (without parser) took 3318.25ms. Allocated memory is still 144.7MB. Free memory was 105.7MB in the beginning and 79.9MB in the end (delta: 25.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-11-12 00:58:19,602 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:58:19,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.91ms. Allocated memory is still 144.7MB. Free memory was 105.7MB in the beginning and 88.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:58:19,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.26ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 84.5MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:58:19,608 INFO L158 Benchmark]: Boogie Preprocessor took 46.58ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 81.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:58:19,610 INFO L158 Benchmark]: RCFGBuilder took 1194.44ms. Allocated memory is still 144.7MB. Free memory was 81.8MB in the beginning and 63.0MB in the end (delta: 18.8MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-11-12 00:58:19,611 INFO L158 Benchmark]: TraceAbstraction took 1467.05ms. Allocated memory is still 144.7MB. Free memory was 62.1MB in the beginning and 79.9MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:58:19,611 INFO L158 Benchmark]: Witness Printer took 7.41ms. Allocated memory is still 144.7MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:58:19,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.91ms. Allocated memory is still 144.7MB. Free memory was 105.7MB in the beginning and 88.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.26ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 84.5MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.58ms. Allocated memory is still 144.7MB. Free memory was 84.5MB in the beginning and 81.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1194.44ms. Allocated memory is still 144.7MB. Free memory was 81.8MB in the beginning and 63.0MB in the end (delta: 18.8MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1467.05ms. Allocated memory is still 144.7MB. Free memory was 62.1MB in the beginning and 79.9MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.41ms. Allocated memory is still 144.7MB. Free memory is still 79.9MB. 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 57, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 200; [L23] unsigned short int var_1_5 = 42139; [L24] unsigned short int var_1_7 = 1; [L25] double var_1_9 = 0.1; [L26] float var_1_12 = 10000000000.5; [L27] float var_1_13 = 255.6; [L28] float var_1_14 = 128.2; [L29] signed long int var_1_15 = 500; [L30] unsigned char var_1_16 = 0; [L31] unsigned char var_1_17 = 0; [L32] unsigned char var_1_18 = 0; [L33] signed char var_1_19 = -5; [L34] signed char var_1_20 = -1; [L35] signed char var_1_21 = 8; [L36] float var_1_22 = 3.75; [L37] signed short int var_1_23 = 10; [L38] unsigned long int var_1_24 = 8; [L39] unsigned char var_1_25 = 5; [L40] unsigned char var_1_26 = 50; [L41] float var_1_27 = 4.5; [L42] unsigned short int var_1_28 = 5; [L43] unsigned long int var_1_29 = 50; [L44] double var_1_30 = 3.5; [L45] unsigned char var_1_31 = 1; [L46] float last_1_var_1_12 = 10000000000.5; [L47] signed short int last_1_var_1_23 = 10; [L48] unsigned long int last_1_var_1_24 = 8; [L49] unsigned char last_1_var_1_25 = 5; [L50] unsigned long int last_1_var_1_29 = 50; [L51] unsigned char last_1_var_1_31 = 1; [L183] isInitial = 1 [L184] FCALL initially() [L185] COND TRUE 1 [L186] CALL updateLastVariables() [L171] last_1_var_1_12 = var_1_12 [L172] last_1_var_1_23 = var_1_23 [L173] last_1_var_1_24 = var_1_24 [L174] last_1_var_1_25 = var_1_25 [L175] last_1_var_1_29 = var_1_29 [L176] last_1_var_1_31 = var_1_31 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L144] var_1_5 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_5 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=1/10] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_5 >= 32767) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=1/10] [L146] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=1/10] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=1/10] [L147] var_1_9 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L149] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L152] var_1_14 = __VERIFIER_nondet_float() [L153] 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, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L153] 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, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L154] var_1_17 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L156] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L157] var_1_18 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L159] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L160] var_1_20 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_20 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_20 >= -127) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L162] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L163] var_1_21 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L165] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L166] var_1_26 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L168] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=65534, var_1_7=1, var_1_9=2] [L187] RET updateVariables() [L188] CALL step() [L55] unsigned short int stepLocal_1 = var_1_5; [L56] unsigned long int stepLocal_0 = (last_1_var_1_25 + last_1_var_1_23) + (last_1_var_1_29 / var_1_5); [L57] COND TRUE (last_1_var_1_12 / var_1_9) != last_1_var_1_12 [L58] COND FALSE !(var_1_9 >= last_1_var_1_12) [L61] COND FALSE !(stepLocal_1 <= last_1_var_1_25) [L72] var_1_7 = last_1_var_1_25 [L78] COND FALSE !(\read(var_1_18)) [L81] COND TRUE \read(var_1_17) [L82] COND FALSE !(((((var_1_29) > (var_1_5)) ? (var_1_29) : (var_1_5))) < ((((4) < 0 ) ? -(4) : (4)))) [L86] var_1_19 = ((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) [L87] var_1_30 = var_1_14 [L88] var_1_31 = var_1_17 [L89] COND TRUE var_1_13 != 4.5f [L90] COND TRUE \read(var_1_31) [L91] var_1_16 = var_1_17 [L98] COND TRUE var_1_16 || var_1_17 [L99] var_1_22 = ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))) [L101] COND TRUE \read(var_1_31) [L102] var_1_25 = (4 + 8) [L106] COND TRUE var_1_13 != var_1_22 [L107] var_1_28 = var_1_25 [L111] COND TRUE \read(var_1_16) [L112] var_1_1 = (((((var_1_25 + var_1_25)) < ((var_1_5 - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))) ? ((var_1_25 + var_1_25)) : ((var_1_5 - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))))) [L116] unsigned short int stepLocal_3 = var_1_5; [L117] COND TRUE stepLocal_3 >= ((((var_1_25) < (var_1_7)) ? (var_1_25) : (var_1_7))) [L118] COND FALSE !(! var_1_16) [L122] COND TRUE var_1_16 || var_1_18 [L123] var_1_24 = ((((last_1_var_1_24) > (var_1_25)) ? (last_1_var_1_24) : (var_1_25))) [L127] signed long int stepLocal_2 = ((((-64) < (var_1_28)) ? (-64) : (var_1_28))) + (var_1_25 << 1); [L128] COND TRUE stepLocal_2 < var_1_7 [L129] var_1_12 = (((((var_1_13 - 128.9f)) < (var_1_14)) ? ((var_1_13 - 128.9f)) : (var_1_14))) [L131] COND TRUE var_1_1 != var_1_25 [L132] COND TRUE var_1_23 >= -128 [L133] COND FALSE !(var_1_30 != ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) [L136] var_1_27 = ((((0.8f) > (var_1_13)) ? (0.8f) : (var_1_13))) [L188] RET step() [L189] CALL, EXPR property() [L179-L180] return ((((((((((((((var_1_16 ? (var_1_1 == ((unsigned short int) (((((var_1_25 + var_1_25)) < ((var_1_5 - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))) ? ((var_1_25 + var_1_25)) : ((var_1_5 - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))))))) : (var_1_1 == ((unsigned short int) (((((var_1_5 - var_1_25)) < ((var_1_25 + (256 + 1)))) ? ((var_1_5 - var_1_25)) : ((var_1_25 + (256 + 1)))))))) && (((last_1_var_1_12 / var_1_9) != last_1_var_1_12) ? ((var_1_9 >= last_1_var_1_12) ? (var_1_7 == ((unsigned short int) last_1_var_1_25)) : ((var_1_5 <= last_1_var_1_25) ? ((last_1_var_1_25 < ((last_1_var_1_25 + last_1_var_1_23) + (last_1_var_1_29 / var_1_5))) ? (last_1_var_1_31 ? (var_1_7 == ((unsigned short int) 5)) : (var_1_7 == ((unsigned short int) last_1_var_1_25))) : (var_1_7 == ((unsigned short int) last_1_var_1_25))) : (var_1_7 == ((unsigned short int) last_1_var_1_25)))) : (var_1_7 == ((unsigned short int) var_1_5)))) && (((((((-64) < (var_1_28)) ? (-64) : (var_1_28))) + (var_1_25 << 1)) < var_1_7) ? (var_1_12 == ((float) (((((var_1_13 - 128.9f)) < (var_1_14)) ? ((var_1_13 - 128.9f)) : (var_1_14))))) : 1)) && ((var_1_5 >= ((((var_1_25) < (var_1_7)) ? (var_1_25) : (var_1_7)))) ? ((! var_1_16) ? (var_1_15 == ((signed long int) var_1_25)) : 1) : 1)) && ((var_1_13 != 4.5f) ? (var_1_31 ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) (! 0)))) : (var_1_16 == ((unsigned char) (var_1_18 || (! var_1_17)))))) && (var_1_19 == ((signed char) ((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21)))))) && ((var_1_16 || var_1_17) ? (var_1_22 == ((float) ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))))) : 1)) && (var_1_17 ? ((((((var_1_29) > (var_1_5)) ? (var_1_29) : (var_1_5))) < ((((4) < 0 ) ? -(4) : (4)))) ? (var_1_23 == ((signed short int) var_1_20)) : 1) : 1)) && ((var_1_16 || var_1_18) ? (var_1_24 == ((unsigned long int) ((((last_1_var_1_24) > (var_1_25)) ? (last_1_var_1_24) : (var_1_25))))) : (var_1_24 == ((unsigned long int) ((((2u) > (100u)) ? (2u) : (100u))))))) && (var_1_31 ? (var_1_25 == ((unsigned char) (4 + 8))) : (var_1_25 == ((unsigned char) ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) && ((var_1_1 != var_1_25) ? ((var_1_23 >= -128) ? ((var_1_30 != ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) ? (var_1_27 == ((float) (var_1_13 - (99999.4f + 9.999999999125E9f)))) : (var_1_27 == ((float) ((((0.8f) > (var_1_13)) ? (0.8f) : (var_1_13)))))) : 1) : (var_1_27 == ((float) var_1_14)))) && ((var_1_13 != var_1_22) ? (var_1_28 == ((unsigned short int) var_1_25)) : (var_1_28 == ((unsigned short int) (var_1_5 - 10))))) && (var_1_18 ? (var_1_29 == ((unsigned long int) (((((var_1_7 + 100000000u)) > (var_1_26)) ? ((var_1_7 + 100000000u)) : (var_1_26))))) : 1)) && (var_1_30 == ((double) var_1_14))) && (var_1_31 == ((unsigned char) var_1_17)) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=5, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=24, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=12, var_1_25=12, var_1_26=254, var_1_27=4/5, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=65534, var_1_7=5, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=5, var_1_13=3, var_1_14=4, var_1_15=500, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=24, var_1_20=11, var_1_21=11, var_1_22=4, var_1_23=10, var_1_24=12, var_1_25=12, var_1_26=254, var_1_27=4/5, var_1_28=12, var_1_29=50, var_1_30=4, var_1_31=1, var_1_5=65534, var_1_7=5, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 16, 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=34occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 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 [2023-11-12 00:58:19,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX --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 5466bf06a7e4128c8eade79479cd5c3b324b73667698a27af81adcadb4a0f58c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:22,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:22,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:58:22,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:22,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:22,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:22,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:22,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:22,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:22,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:22,371 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:22,372 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:22,372 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:22,373 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:22,374 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:22,374 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:22,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:22,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:58:22,376 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:58:22,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:58:22,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:22,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:58:22,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:22,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:58:22,380 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:58:22,380 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:58:22,381 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:58:22,381 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:58:22,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:58:22,382 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:22,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:22,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:58:22,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:22,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:22,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:22,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:22,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:58:22,386 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:58:22,386 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:58:22,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:58:22,387 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:22,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:22,388 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_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5466bf06a7e4128c8eade79479cd5c3b324b73667698a27af81adcadb4a0f58c [2023-11-12 00:58:22,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:22,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:22,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:22,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:22,783 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:22,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i [2023-11-12 00:58:26,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:58:26,368 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:58:26,368 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i [2023-11-12 00:58:26,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/data/a10a438fa/06a9171c69a347ff8351c9d7fc8f140e/FLAGf2ad49716 [2023-11-12 00:58:26,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/data/a10a438fa/06a9171c69a347ff8351c9d7fc8f140e [2023-11-12 00:58:26,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:58:26,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:58:26,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:26,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:58:26,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:58:26,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:26,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d843739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26, skipping insertion in model container [2023-11-12 00:58:26,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:26,475 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:58:26,661 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_51c3086b-311d-43c4-9d97-2ca55b320c21/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i[916,929] [2023-11-12 00:58:26,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:26,772 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:58:26,792 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_51c3086b-311d-43c4-9d97-2ca55b320c21/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-38.i[916,929] [2023-11-12 00:58:26,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:26,962 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:58:26,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26 WrapperNode [2023-11-12 00:58:26,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:26,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:26,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:58:26,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:58:26,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:26,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:27,024 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-12 00:58:27,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:27,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:58:27,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:58:27,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:58:27,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:27,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:27,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:27,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:27,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:27,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:27,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:27,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:27,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:58:27,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:58:27,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:58:27,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:58:27,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (1/1) ... [2023-11-12 00:58:27,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:27,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:27,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:58:27,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:58:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:58:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:58:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:58:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:58:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:58:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:58:27,266 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:58:27,269 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:58:36,097 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:58:36,105 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:58:36,105 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:58:36,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:36 BoogieIcfgContainer [2023-11-12 00:58:36,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:58:36,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:58:36,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:58:36,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:58:36,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:58:26" (1/3) ... [2023-11-12 00:58:36,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e6d495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:36, skipping insertion in model container [2023-11-12 00:58:36,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:26" (2/3) ... [2023-11-12 00:58:36,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e6d495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:36, skipping insertion in model container [2023-11-12 00:58:36,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:36" (3/3) ... [2023-11-12 00:58:36,130 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-38.i [2023-11-12 00:58:36,151 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:58:36,151 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:58:36,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:58:36,232 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;@5331eee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:58:36,233 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:58:36,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 49 states have (on average 1.530612244897959) internal successors, (75), 50 states have internal predecessors, (75), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-12 00:58:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-12 00:58:36,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:36,258 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:58:36,263 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:36,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:36,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1148538766, now seen corresponding path program 1 times [2023-11-12 00:58:36,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:58:36,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204045038] [2023-11-12 00:58:36,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:36,291 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 [2023-11-12 00:58:36,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:58:36,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:58:36,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:58:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:37,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:58:37,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:58:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-11-12 00:58:37,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:58:37,614 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:58:37,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204045038] [2023-11-12 00:58:37,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204045038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:58:37,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:58:37,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:58:37,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89220599] [2023-11-12 00:58:37,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:58:37,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:58:37,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:58:37,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:58:37,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:58:37,654 INFO L87 Difference]: Start difference. First operand has 68 states, 49 states have (on average 1.530612244897959) internal successors, (75), 50 states have internal predecessors, (75), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-12 00:58:37,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:58:37,706 INFO L93 Difference]: Finished difference Result 129 states and 224 transitions. [2023-11-12 00:58:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:58:37,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 113 [2023-11-12 00:58:37,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:58:37,721 INFO L225 Difference]: With dead ends: 129 [2023-11-12 00:58:37,721 INFO L226 Difference]: Without dead ends: 64 [2023-11-12 00:58:37,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:58:37,732 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:58:37,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:58:37,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-12 00:58:37,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-12 00:58:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-12 00:58:37,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 100 transitions. [2023-11-12 00:58:37,797 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 100 transitions. Word has length 113 [2023-11-12 00:58:37,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:58:37,798 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 100 transitions. [2023-11-12 00:58:37,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-12 00:58:37,799 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2023-11-12 00:58:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-12 00:58:37,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:37,802 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:58:37,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:58:38,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:58:38,004 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:38,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:38,005 INFO L85 PathProgramCache]: Analyzing trace with hash 572573898, now seen corresponding path program 1 times [2023-11-12 00:58:38,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:58:38,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132380582] [2023-11-12 00:58:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:38,006 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 [2023-11-12 00:58:38,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:58:38,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:58:38,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:58:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:39,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:58:39,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:58:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 249 proven. 18 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2023-11-12 00:58:40,369 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:58:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-12 00:58:41,417 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:58:41,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132380582] [2023-11-12 00:58:41,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132380582] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:58:41,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2030261104] [2023-11-12 00:58:41,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:41,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:58:41,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:58:41,422 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:58:41,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:58:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:43,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:58:43,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:58:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 243 proven. 27 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-12 00:58:45,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:58:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-12 00:58:46,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2030261104] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:58:46,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674721374] [2023-11-12 00:58:46,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:46,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:58:46,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:46,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:58:46,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:58:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:48,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:58:48,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:58:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 243 proven. 27 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-12 00:58:49,809 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:58:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-12 00:58:50,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674721374] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:58:50,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:58:50,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 10 [2023-11-12 00:58:50,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763235343] [2023-11-12 00:58:50,649 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:58:50,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 00:58:50,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:58:50,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 00:58:50,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:58:50,654 INFO L87 Difference]: Start difference. First operand 64 states and 100 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-12 00:58:56,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:58:58,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:00,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:01,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:01,292 INFO L93 Difference]: Finished difference Result 149 states and 225 transitions. [2023-11-12 00:59:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 00:59:01,293 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 113 [2023-11-12 00:59:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:01,296 INFO L225 Difference]: With dead ends: 149 [2023-11-12 00:59:01,296 INFO L226 Difference]: Without dead ends: 88 [2023-11-12 00:59:01,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 662 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2023-11-12 00:59:01,300 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 121 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 19 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:01,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 205 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 9.8s Time] [2023-11-12 00:59:01,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-12 00:59:01,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2023-11-12 00:59:01,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 58 states have internal predecessors, (76), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:59:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2023-11-12 00:59:01,322 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 113 [2023-11-12 00:59:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:01,324 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2023-11-12 00:59:01,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-12 00:59:01,325 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2023-11-12 00:59:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-12 00:59:01,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:01,328 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:01,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:01,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:01,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:01,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt [2023-11-12 00:59:01,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:01,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:01,938 INFO L85 PathProgramCache]: Analyzing trace with hash -805265262, now seen corresponding path program 1 times [2023-11-12 00:59:01,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:01,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486963163] [2023-11-12 00:59:01,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:01,939 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 [2023-11-12 00:59:01,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:01,940 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:59:01,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-12 00:59:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:03,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:59:03,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-12 00:59:07,412 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:59:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-12 00:59:11,099 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:11,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486963163] [2023-11-12 00:59:11,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486963163] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:59:11,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2066649479] [2023-11-12 00:59:11,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:11,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:59:11,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:59:11,102 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:59:11,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51c3086b-311d-43c4-9d97-2ca55b320c21/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:59:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:11,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:59:11,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-12 00:59:12,086 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:12,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2066649479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:12,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:59:12,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 11 [2023-11-12 00:59:12,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892690094] [2023-11-12 00:59:12,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:12,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:59:12,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:12,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:59:12,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:59:12,090 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)