./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.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_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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_f846d660-0b2d-474e-9827-d8ea802696e5/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 c835760c75fedaba57980a91e2bf36b801baf84cc397a979beb03d44e0171bdb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:13:42,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:13:42,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:13:42,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:13:42,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:13:42,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:13:42,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:13:42,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:13:42,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:13:42,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:13:42,870 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:13:42,871 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:13:42,872 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:13:42,873 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:13:42,873 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:13:42,874 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:13:42,875 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:13:42,876 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:13:42,876 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:13:42,877 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:13:42,878 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:13:42,878 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:13:42,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:13:42,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:13:42,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:13:42,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:13:42,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:13:42,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:13:42,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:13:42,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:13:42,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:13:42,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:13:42,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:13:42,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:13:42,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:13:42,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:13:42,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:42,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:13:42,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:13:42,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:13:42,890 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:13:42,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:13:42,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:13:42,892 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:13:42,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:13:42,893 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_f846d660-0b2d-474e-9827-d8ea802696e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c835760c75fedaba57980a91e2bf36b801baf84cc397a979beb03d44e0171bdb [2023-11-12 00:13:43,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:13:43,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:13:43,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:13:43,246 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:13:43,246 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:13:43,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i [2023-11-12 00:13:46,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:13:46,503 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:13:46,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i [2023-11-12 00:13:46,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/data/36abc5a09/9e529f5b110949eba09e67f0cd78e585/FLAG082ecd82a [2023-11-12 00:13:46,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/data/36abc5a09/9e529f5b110949eba09e67f0cd78e585 [2023-11-12 00:13:46,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:13:46,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:13:46,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:46,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:13:46,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:13:46,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:46" (1/1) ... [2023-11-12 00:13:46,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568c81ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:46, skipping insertion in model container [2023-11-12 00:13:46,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:46" (1/1) ... [2023-11-12 00:13:46,924 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:13:47,116 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_f846d660-0b2d-474e-9827-d8ea802696e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i[918,931] [2023-11-12 00:13:47,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:47,224 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:13:47,237 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_f846d660-0b2d-474e-9827-d8ea802696e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i[918,931] [2023-11-12 00:13:47,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:47,299 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:13:47,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47 WrapperNode [2023-11-12 00:13:47,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:47,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:47,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:13:47,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:13:47,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,409 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-12 00:13:47,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:47,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:13:47,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:13:47,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:13:47,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:13:47,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:13:47,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:13:47,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:13:47,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (1/1) ... [2023-11-12 00:13:47,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:47,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:47,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:13:47,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:13:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:13:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:13:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:13:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:13:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:13:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:13:47,712 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:13:47,715 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:13:48,345 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:13:48,761 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:13:48,762 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:13:48,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:13:48 BoogieIcfgContainer [2023-11-12 00:13:48,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:13:48,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:13:48,768 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:13:48,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:13:48,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:13:46" (1/3) ... [2023-11-12 00:13:48,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3c1dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:13:48, skipping insertion in model container [2023-11-12 00:13:48,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:47" (2/3) ... [2023-11-12 00:13:48,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3c1dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:13:48, skipping insertion in model container [2023-11-12 00:13:48,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:13:48" (3/3) ... [2023-11-12 00:13:48,774 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i [2023-11-12 00:13:48,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:13:48,794 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:13:48,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:13:48,853 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;@2fbc973c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:13:48,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:13:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:13:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-12 00:13:48,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:48,870 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:13:48,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:13:48,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:48,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1550748062, now seen corresponding path program 1 times [2023-11-12 00:13:48,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:13:48,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583592272] [2023-11-12 00:13:48,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:48,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:13:49,120 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:13:49,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197421174] [2023-11-12 00:13:49,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:49,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:13:49,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:49,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:13:49,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:13:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:13:49,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:13:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:13:50,255 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:13:50,258 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:13:50,259 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:13:50,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:13:50,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:13:50,473 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:13:50,477 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:13:50,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:13:50 BoogieIcfgContainer [2023-11-12 00:13:50,636 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:13:50,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:13:50,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:13:50,638 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:13:50,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:13:48" (3/4) ... [2023-11-12 00:13:50,641 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:13:50,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:13:50,645 INFO L158 Benchmark]: Toolchain (without parser) took 3785.75ms. Allocated memory is still 178.3MB. Free memory was 130.7MB in the beginning and 132.5MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:13:50,645 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:13:50,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.21ms. Allocated memory is still 178.3MB. Free memory was 130.0MB in the beginning and 114.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:13:50,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.79ms. Allocated memory is still 178.3MB. Free memory was 114.5MB in the beginning and 109.1MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:13:50,647 INFO L158 Benchmark]: Boogie Preprocessor took 89.63ms. Allocated memory is still 178.3MB. Free memory was 109.1MB in the beginning and 106.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:13:50,648 INFO L158 Benchmark]: RCFGBuilder took 1264.16ms. Allocated memory is still 178.3MB. Free memory was 106.2MB in the beginning and 104.7MB in the end (delta: 1.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2023-11-12 00:13:50,649 INFO L158 Benchmark]: TraceAbstraction took 1869.27ms. Allocated memory is still 178.3MB. Free memory was 103.7MB in the beginning and 132.5MB in the end (delta: -28.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-12 00:13:50,649 INFO L158 Benchmark]: Witness Printer took 6.76ms. Allocated memory is still 178.3MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:13:50,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.21ms. Allocated memory is still 178.3MB. Free memory was 130.0MB in the beginning and 114.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.79ms. Allocated memory is still 178.3MB. Free memory was 114.5MB in the beginning and 109.1MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.63ms. Allocated memory is still 178.3MB. Free memory was 109.1MB in the beginning and 106.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1264.16ms. Allocated memory is still 178.3MB. Free memory was 106.2MB in the beginning and 104.7MB in the end (delta: 1.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1869.27ms. Allocated memory is still 178.3MB. Free memory was 103.7MB in the beginning and 132.5MB in the end (delta: -28.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 6.76ms. Allocated memory is still 178.3MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of bitwiseOr at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someUnaryFLOAToperation at line 81, overapproximation of someBinaryArithmeticFLOAToperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 999999999.675; [L23] signed long int var_1_4 = -5; [L24] float var_1_5 = 7.875; [L25] float var_1_6 = 99.04; [L26] signed long int var_1_7 = -2; [L27] unsigned long int var_1_9 = 1; [L28] double var_1_10 = 63.25; [L29] unsigned char var_1_11 = 0; [L30] unsigned short int var_1_13 = 0; [L31] unsigned short int var_1_15 = 17766; [L32] unsigned short int var_1_16 = 28149; [L33] unsigned char var_1_19 = 4; [L34] unsigned char var_1_20 = 50; [L35] unsigned char var_1_21 = 64; [L36] unsigned char var_1_22 = 50; [L37] unsigned char var_1_23 = 5; [L38] unsigned char var_1_24 = 128; [L39] signed long int var_1_25 = -16; [L40] unsigned char var_1_26 = 0; [L41] signed short int var_1_27 = -4; [L42] unsigned short int var_1_33 = 2; [L43] signed long int var_1_36 = -1; [L44] float var_1_38 = 256.7; [L45] unsigned long int var_1_40 = 10; [L46] double var_1_42 = 100.5; [L47] signed char var_1_45 = 8; [L48] unsigned short int last_1_var_1_13 = 0; [L182] isInitial = 1 [L183] FCALL initially() [L184] COND TRUE 1 [L185] CALL updateLastVariables() [L175] last_1_var_1_13 = var_1_13 [L185] RET updateLastVariables() [L186] CALL updateVariables() [L138] var_1_4 = __VERIFIER_nondet_long() [L139] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L142] var_1_5 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L144] var_1_6 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L146] var_1_10 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L148] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L149] var_1_11 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L151] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L152] var_1_15 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L154] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L155] var_1_16 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L158] var_1_20 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_20 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_20 >= 32) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L160] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L161] var_1_21 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_21 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_21 >= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L164] var_1_22 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_22 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_22 <= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L167] var_1_23 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L170] var_1_24 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_24 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_24 >= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L172] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=32766, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L186] RET updateVariables() [L187] CALL step() [L52] COND TRUE var_1_16 != (var_1_24 + var_1_21) [L53] COND TRUE \read(var_1_11) [L54] var_1_27 = ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) [L59] COND TRUE \read(var_1_11) [L60] var_1_33 = ((((var_1_16) > (var_1_26)) ? (var_1_16) : (var_1_26))) [L62] COND FALSE !(16 < var_1_19) [L69] var_1_38 = var_1_5 [L70] COND TRUE var_1_20 <= var_1_22 [L71] COND TRUE var_1_5 < 255.2f [L72] COND FALSE !((16 <= var_1_26) && (var_1_20 >= var_1_16)) [L77] COND TRUE var_1_24 < ((((((((var_1_15) > (var_1_20)) ? (var_1_15) : (var_1_20)))) > (var_1_15)) ? (((((var_1_15) > (var_1_20)) ? (var_1_15) : (var_1_20)))) : (var_1_15))) [L78] var_1_42 = var_1_6 [L88] COND TRUE (var_1_23 % var_1_20) < var_1_20 [L89] var_1_45 = ((var_1_20 - var_1_23) + var_1_20) [L93] COND TRUE last_1_var_1_13 == (last_1_var_1_13 % var_1_4) [L94] var_1_1 = (var_1_5 - var_1_6) [L96] COND TRUE var_1_10 == var_1_1 [L97] COND TRUE \read(var_1_11) [L98] var_1_19 = (((32 + var_1_20) + var_1_21) - (var_1_22 + var_1_23)) [L105] COND TRUE var_1_19 < (var_1_21 / var_1_20) [L106] COND FALSE !(var_1_19 > var_1_19) [L109] var_1_26 = var_1_22 [L112] COND TRUE var_1_1 >= var_1_6 [L113] var_1_7 = var_1_19 [L115] COND TRUE ((var_1_6 * var_1_5) / var_1_10) > var_1_1 [L116] COND TRUE \read(var_1_11) [L117] var_1_9 = var_1_26 [L122] COND TRUE var_1_7 < var_1_9 [L123] var_1_13 = (var_1_26 + (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - (var_1_19 + var_1_19))) [L125] COND FALSE !((25.3 * var_1_5) != var_1_1) [L134] var_1_25 = var_1_20 [L187] RET step() [L188] CALL, EXPR property() [L178-L179] return (((((((last_1_var_1_13 == (last_1_var_1_13 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((var_1_1 >= var_1_6) ? (var_1_7 == ((signed long int) var_1_19)) : 1)) && ((((var_1_6 * var_1_5) / var_1_10) > var_1_1) ? (var_1_11 ? (var_1_9 == ((unsigned long int) var_1_26)) : (var_1_9 == ((unsigned long int) var_1_26))) : 1)) && ((var_1_7 < var_1_9) ? (var_1_13 == ((unsigned short int) (var_1_26 + (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - (var_1_19 + var_1_19))))) : 1)) && ((var_1_10 == var_1_1) ? (var_1_11 ? (var_1_19 == ((unsigned char) (((32 + var_1_20) + var_1_21) - (var_1_22 + var_1_23)))) : (var_1_19 == ((unsigned char) (var_1_24 - var_1_23)))) : (var_1_19 == ((unsigned char) var_1_24)))) && (((25.3 * var_1_5) != var_1_1) ? (var_1_11 ? ((var_1_15 <= var_1_13) ? (var_1_25 == ((signed long int) var_1_26)) : 1) : (var_1_25 == ((signed long int) var_1_22))) : (var_1_25 == ((signed long int) var_1_20)))) && ((var_1_19 < (var_1_21 / var_1_20)) ? ((var_1_19 > var_1_19) ? (var_1_26 == ((unsigned char) ((((((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) > (var_1_23)) ? (((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) : (var_1_23))))) : (var_1_26 == ((unsigned char) var_1_22))) : 1) ; [L188] RET, EXPR property() [L188] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=32829, var_1_15=32766, var_1_16=32767, var_1_19=1, var_1_1=0, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=127, var_1_25=32, var_1_26=64, var_1_27=4, var_1_33=32767, var_1_36=-1, var_1_38=2, var_1_40=10, var_1_42=3, var_1_45=1, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=1, var_1_9=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=32829, var_1_15=32766, var_1_16=32767, var_1_19=1, var_1_1=0, var_1_20=32, var_1_21=64, var_1_22=64, var_1_23=63, var_1_24=127, var_1_25=32, var_1_26=64, var_1_27=4, var_1_33=32767, var_1_36=-1, var_1_38=2, var_1_40=10, var_1_42=3, var_1_45=1, var_1_4=2147483647, var_1_5=2, var_1_6=3, var_1_7=1, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 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 00:13:50,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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_f846d660-0b2d-474e-9827-d8ea802696e5/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 c835760c75fedaba57980a91e2bf36b801baf84cc397a979beb03d44e0171bdb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:13:53,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:13:53,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:13:53,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:13:53,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:13:53,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:13:53,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:13:53,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:13:53,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:13:53,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:13:53,673 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:13:53,673 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:13:53,674 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:13:53,676 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:13:53,676 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:13:53,677 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:13:53,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:13:53,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:13:53,679 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:13:53,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:13:53,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:13:53,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:13:53,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:13:53,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:13:53,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:13:53,683 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:13:53,683 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:13:53,684 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:13:53,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:13:53,685 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:13:53,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:13:53,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:13:53,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:13:53,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:53,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:13:53,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:13:53,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:13:53,689 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:13:53,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:13:53,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:13:53,691 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:13:53,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:13:53,691 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_f846d660-0b2d-474e-9827-d8ea802696e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c835760c75fedaba57980a91e2bf36b801baf84cc397a979beb03d44e0171bdb [2023-11-12 00:13:54,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:13:54,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:13:54,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:13:54,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:13:54,147 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:13:54,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i [2023-11-12 00:13:57,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:13:57,514 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:13:57,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i [2023-11-12 00:13:57,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/data/5d7119c27/60ba4cb7207f42cc8b6ab4421c08a33a/FLAGf879ef8cd [2023-11-12 00:13:57,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/data/5d7119c27/60ba4cb7207f42cc8b6ab4421c08a33a [2023-11-12 00:13:57,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:13:57,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:13:57,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:57,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:13:57,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:13:57,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:57" (1/1) ... [2023-11-12 00:13:57,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20526130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:57, skipping insertion in model container [2023-11-12 00:13:57,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:57" (1/1) ... [2023-11-12 00:13:57,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:13:57,799 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_f846d660-0b2d-474e-9827-d8ea802696e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i[918,931] [2023-11-12 00:13:57,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:57,918 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:13:57,931 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_f846d660-0b2d-474e-9827-d8ea802696e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i[918,931] [2023-11-12 00:13:57,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:58,028 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:13:58,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58 WrapperNode [2023-11-12 00:13:58,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:58,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:58,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:13:58,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:13:58,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,107 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-11-12 00:13:58,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:58,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:13:58,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:13:58,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:13:58,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,185 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:13:58,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:13:58,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:13:58,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:13:58,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (1/1) ... [2023-11-12 00:13:58,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:58,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:58,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:13:58,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:13:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:13:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:13:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:13:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:13:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:13:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:13:58,444 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:13:58,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:14:10,964 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:10,971 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:10,972 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:14:10,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:10 BoogieIcfgContainer [2023-11-12 00:14:10,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:10,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:10,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:10,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:10,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:13:57" (1/3) ... [2023-11-12 00:14:10,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c40a980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:10, skipping insertion in model container [2023-11-12 00:14:10,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:58" (2/3) ... [2023-11-12 00:14:10,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c40a980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:10, skipping insertion in model container [2023-11-12 00:14:10,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:10" (3/3) ... [2023-11-12 00:14:10,983 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-8.i [2023-11-12 00:14:11,002 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:11,002 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:14:11,070 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:11,075 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;@217b0007, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:11,076 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:14:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:14:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 00:14:11,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:11,095 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:11,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:11,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:11,101 INFO L85 PathProgramCache]: Analyzing trace with hash -166335580, now seen corresponding path program 1 times [2023-11-12 00:14:11,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:14:11,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206367064] [2023-11-12 00:14:11,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:11,114 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 00:14:11,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:14:11,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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 00:14:11,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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 00:14:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:12,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:14:12,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:14:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2023-11-12 00:14:12,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:14:12,865 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:14:12,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206367064] [2023-11-12 00:14:12,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206367064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:12,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:12,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:14:12,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307740355] [2023-11-12 00:14:12,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:12,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:14:12,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:14:12,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:14:12,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:14:12,907 INFO L87 Difference]: Start difference. First operand has 80 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 00:14:12,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:12,943 INFO L93 Difference]: Finished difference Result 153 states and 277 transitions. [2023-11-12 00:14:12,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:14:12,946 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2023-11-12 00:14:12,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:12,955 INFO L225 Difference]: With dead ends: 153 [2023-11-12 00:14:12,955 INFO L226 Difference]: Without dead ends: 76 [2023-11-12 00:14:12,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 00:14:12,965 INFO L413 NwaCegarLoop]: 122 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, 122 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 00:14:12,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:14:12,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-12 00:14:13,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-12 00:14:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 51 states have internal predecessors, (76), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:14:13,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 122 transitions. [2023-11-12 00:14:13,020 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 122 transitions. Word has length 150 [2023-11-12 00:14:13,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:13,021 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 122 transitions. [2023-11-12 00:14:13,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 00:14:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2023-11-12 00:14:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 00:14:13,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:13,026 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:13,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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 00:14:13,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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 00:14:13,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:13,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:13,229 INFO L85 PathProgramCache]: Analyzing trace with hash -660397398, now seen corresponding path program 1 times [2023-11-12 00:14:13,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:14:13,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340027998] [2023-11-12 00:14:13,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:13,231 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 00:14:13,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:14:13,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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 00:14:13,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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 00:14:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:14,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:14:14,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:14:18,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 541 proven. 60 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2023-11-12 00:14:18,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:14:18,803 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:14:18,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340027998] [2023-11-12 00:14:18,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [340027998] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:14:18,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [13888081] [2023-11-12 00:14:18,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:18,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:14:18,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:14:18,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:14:18,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:14:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:20,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:14:20,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:14:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-11-12 00:14:22,351 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:14:22,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [13888081] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:14:22,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978187072] [2023-11-12 00:14:22,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:22,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:14:22,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:22,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:14:22,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:14:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:25,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:14:25,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:14:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2023-11-12 00:14:26,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:14:26,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978187072] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:14:26,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:14:26,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 8 [2023-11-12 00:14:26,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773313465] [2023-11-12 00:14:26,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:14:26,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 00:14:26,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:14:26,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 00:14:26,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:14:26,797 INFO L87 Difference]: Start difference. First operand 76 states and 122 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-11-12 00:14:33,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:14:35,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:14:37,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:14:39,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:14:41,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:14:41,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:41,186 INFO L93 Difference]: Finished difference Result 159 states and 249 transitions. [2023-11-12 00:14:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 00:14:41,703 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 150 [2023-11-12 00:14:41,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:41,706 INFO L225 Difference]: With dead ends: 159 [2023-11-12 00:14:41,706 INFO L226 Difference]: Without dead ends: 86 [2023-11-12 00:14:41,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2023-11-12 00:14:41,710 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 148 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 27 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:41,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 291 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 180 Invalid, 5 Unknown, 0 Unchecked, 13.7s Time] [2023-11-12 00:14:41,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-12 00:14:41,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2023-11-12 00:14:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 57 states have internal predecessors, (80), 23 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 00:14:41,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 126 transitions. [2023-11-12 00:14:41,735 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 126 transitions. Word has length 150 [2023-11-12 00:14:41,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:41,737 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 126 transitions. [2023-11-12 00:14:41,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-11-12 00:14:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2023-11-12 00:14:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-12 00:14:41,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:41,741 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:41,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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 00:14:41,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:14:42,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:14:42,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:14:42,366 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:14:42,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:42,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1303093131, now seen corresponding path program 1 times [2023-11-12 00:14:42,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:14:42,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669385814] [2023-11-12 00:14:42,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:42,368 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 00:14:42,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:14:42,370 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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 00:14:42,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f846d660-0b2d-474e-9827-d8ea802696e5/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 00:14:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:43,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:14:43,818 INFO L285 TraceCheckSpWp]: Computing forward predicates...