./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:48:39,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:48:39,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:48:40,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:48:40,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:48:40,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:48:40,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:48:40,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:48:40,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:48:40,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:48:40,062 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:48:40,063 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:48:40,064 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:48:40,066 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:48:40,066 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:48:40,067 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:48:40,067 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:48:40,067 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:48:40,068 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:48:40,068 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:48:40,069 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:48:40,070 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:48:40,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:48:40,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:48:40,072 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:48:40,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:48:40,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:48:40,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:48:40,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:48:40,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:48:40,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:48:40,076 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:48:40,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:48:40,076 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:48:40,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:48:40,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:48:40,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:40,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:48:40,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:48:40,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:48:40,079 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:48:40,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:48:40,079 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:48:40,079 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:48:40,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:48:40,080 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_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e [2023-11-12 00:48:40,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:48:40,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:48:40,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:48:40,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:48:40,507 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:48:40,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-12 00:48:43,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:48:43,993 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:48:43,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-12 00:48:44,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/data/3e487081e/118ed6947ed3499ba71efd67427466d0/FLAG03afac59c [2023-11-12 00:48:44,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/data/3e487081e/118ed6947ed3499ba71efd67427466d0 [2023-11-12 00:48:44,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:48:44,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:48:44,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:44,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:48:44,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:48:44,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674b8bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44, skipping insertion in model container [2023-11-12 00:48:44,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:48:44,302 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_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2023-11-12 00:48:44,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:44,412 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:48:44,425 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_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2023-11-12 00:48:44,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:44,496 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:48:44,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44 WrapperNode [2023-11-12 00:48:44,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:44,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:44,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:48:44,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:48:44,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,606 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2023-11-12 00:48:44,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:44,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:48:44,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:48:44,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:48:44,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:48:44,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:48:44,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:48:44,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:48:44,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (1/1) ... [2023-11-12 00:48:44,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:44,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:44,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:48:44,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:48:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:48:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:48:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:48:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:48:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:48:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:48:44,986 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:48:44,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:48:45,523 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:48:45,965 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:48:45,965 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:48:45,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:45 BoogieIcfgContainer [2023-11-12 00:48:45,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:48:45,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:48:45,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:48:45,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:48:45,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:48:44" (1/3) ... [2023-11-12 00:48:45,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6464122a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:45, skipping insertion in model container [2023-11-12 00:48:45,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:44" (2/3) ... [2023-11-12 00:48:45,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6464122a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:45, skipping insertion in model container [2023-11-12 00:48:45,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:45" (3/3) ... [2023-11-12 00:48:45,979 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-12 00:48:46,003 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:48:46,003 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:48:46,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:48:46,090 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;@1b4fbd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:48:46,091 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:48:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:48:46,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-12 00:48:46,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:46,110 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:46,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:46,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:46,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1429033844, now seen corresponding path program 1 times [2023-11-12 00:48:46,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:46,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206096011] [2023-11-12 00:48:46,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:46,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:46,419 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:48:46,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [536728688] [2023-11-12 00:48:46,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:46,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:46,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:46,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:48:46,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:48:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:48:46,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:48:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:48:47,136 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:48:47,140 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:48:47,142 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:48:47,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:47,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:48:47,356 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:48:47,360 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:48:47,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:48:47 BoogieIcfgContainer [2023-11-12 00:48:47,487 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:48:47,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:48:47,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:48:47,488 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:48:47,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:45" (3/4) ... [2023-11-12 00:48:47,490 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:48:47,492 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:48:47,493 INFO L158 Benchmark]: Toolchain (without parser) took 3464.97ms. Allocated memory is still 140.5MB. Free memory was 98.3MB in the beginning and 70.4MB in the end (delta: 27.9MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-12 00:48:47,493 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:48:47,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.78ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 100.6MB in the end (delta: -2.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:48:47,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.13ms. Allocated memory is still 140.5MB. Free memory was 100.2MB in the beginning and 95.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:48:47,495 INFO L158 Benchmark]: Boogie Preprocessor took 129.13ms. Allocated memory is still 140.5MB. Free memory was 95.6MB in the beginning and 93.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:48:47,496 INFO L158 Benchmark]: RCFGBuilder took 1230.86ms. Allocated memory is still 140.5MB. Free memory was 93.1MB in the beginning and 65.0MB in the end (delta: 28.1MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-11-12 00:48:47,496 INFO L158 Benchmark]: TraceAbstraction took 1515.69ms. Allocated memory is still 140.5MB. Free memory was 64.3MB in the beginning and 70.4MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:48:47,497 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 140.5MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:48:47,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.78ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 100.6MB in the end (delta: -2.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.13ms. Allocated memory is still 140.5MB. Free memory was 100.2MB in the beginning and 95.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.13ms. Allocated memory is still 140.5MB. Free memory was 95.6MB in the beginning and 93.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1230.86ms. Allocated memory is still 140.5MB. Free memory was 93.1MB in the beginning and 65.0MB in the end (delta: 28.1MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1515.69ms. Allocated memory is still 140.5MB. Free memory was 64.3MB in the beginning and 70.4MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 140.5MB. Free memory is still 70.4MB. 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 shiftRight at line 61, overapproximation of someBinaryArithmeticDOUBLEoperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of bitwiseAnd at line 61, overapproximation of someUnaryDOUBLEoperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryArithmeticFLOAToperation at line 86, overapproximation of someUnaryFLOAToperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_7 = 0; [L24] unsigned char var_1_8 = 1; [L25] signed short int var_1_9 = -2; [L26] float var_1_13 = 999.4; [L27] float var_1_14 = 100.425; [L28] float var_1_15 = 3.375; [L29] float var_1_16 = 15.9; [L30] signed short int var_1_17 = -10; [L31] signed short int var_1_18 = 18060; [L32] unsigned char var_1_20 = 0; [L33] unsigned long int var_1_21 = 4; [L34] unsigned char var_1_23 = 0; [L35] unsigned char var_1_24 = 0; [L36] unsigned char var_1_25 = 100; [L37] unsigned char var_1_26 = 32; [L38] unsigned char var_1_27 = 10; [L39] unsigned char var_1_28 = 1; [L40] unsigned short int var_1_29 = 256; [L41] unsigned char var_1_30 = 1; [L42] unsigned char var_1_31 = 4; [L43] double var_1_33 = 31.625; [L44] double var_1_36 = 15.75; [L45] double var_1_37 = 15.375; [L46] unsigned short int var_1_38 = 16; [L47] unsigned char var_1_39 = 0; [L48] double var_1_44 = 128.5; [L49] float var_1_45 = 1.85; [L50] double var_1_46 = 1.5; [L51] double var_1_47 = 99999999999.4; [L52] unsigned char var_1_49 = 128; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] FCALL updateLastVariables() [L177] CALL updateVariables() [L126] var_1_7 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L128] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L129] var_1_8 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L131] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L132] var_1_14 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L134] var_1_15 = __VERIFIER_nondet_float() [L135] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L136] var_1_16 = __VERIFIER_nondet_float() [L137] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L138] var_1_18 = __VERIFIER_nondet_short() [L139] CALL assume_abort_if_not(var_1_18 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_18 >= 16382) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L140] CALL assume_abort_if_not(var_1_18 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_18 <= 32766) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L141] var_1_21 = __VERIFIER_nondet_ulong() [L142] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L143] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L144] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L145] var_1_23 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L147] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L148] var_1_24 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L150] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L151] var_1_26 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L153] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L154] var_1_27 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L156] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L157] var_1_36 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=257/2, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=257/2, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L159] var_1_37 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=257/2, var_1_37=257/2, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=257/2, var_1_37=257/2, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L161] var_1_46 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854776000e+12F && var_1_46 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=257/2, var_1_37=257/2, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=5, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854776000e+12F && var_1_46 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=257/2, var_1_37=257/2, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=5, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L163] var_1_47 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_47 >= 0.0F && var_1_47 <= -1.0e-20F) || (var_1_47 <= 9223372.036854776000e+12F && var_1_47 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=257/2, var_1_37=257/2, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=5, var_1_47=6, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_47 >= 0.0F && var_1_47 <= -1.0e-20F) || (var_1_47 <= 9223372.036854776000e+12F && var_1_47 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=257/2, var_1_37=257/2, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=5, var_1_47=6, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L177] RET updateVariables() [L178] CALL step() [L56] var_1_31 = var_1_26 [L57] COND FALSE !(! var_1_7) [L60] var_1_38 = ((((var_1_27) > (var_1_27)) ? (var_1_27) : (var_1_27))) [L61] EXPR var_1_18 & (var_1_29 + 2u) [L61] EXPR 16u >> var_1_26 [L61] COND TRUE (var_1_18 & (var_1_29 + 2u)) < (16u >> var_1_26) [L62] var_1_39 = ((var_1_7 && (var_1_7 && var_1_8)) && (! var_1_23)) [L64] COND TRUE var_1_36 <= var_1_16 [L65] COND TRUE ((((var_1_16 + var_1_37) < 0 ) ? -(var_1_16 + var_1_37) : (var_1_16 + var_1_37))) < var_1_36 [L66] var_1_44 = ((((31.35) < (((((var_1_37) < (var_1_36)) ? (var_1_37) : (var_1_36))))) ? (31.35) : (((((var_1_37) < (var_1_36)) ? (var_1_37) : (var_1_36)))))) [L71] COND FALSE !((var_1_14 * (var_1_46 - var_1_47)) < var_1_14) [L76] var_1_45 = (((((((((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) < (var_1_37)) ? (((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) : (var_1_37))) < 0 ) ? -((((((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) < (var_1_37)) ? (((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) : (var_1_37))) : ((((((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) < (var_1_37)) ? (((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) : (var_1_37))))) [L78] var_1_20 || (var_1_26 >= (var_1_18 & var_1_27)) [L78] EXPR var_1_18 & var_1_27 [L78] var_1_20 || (var_1_26 >= (var_1_18 & var_1_27)) [L78] COND TRUE var_1_20 || (var_1_26 >= (var_1_18 & var_1_27)) [L79] COND FALSE !(-2 > var_1_27) [L82] var_1_49 = var_1_26 [L85] COND TRUE \read(var_1_8) [L86] var_1_13 = (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))) [L88] COND TRUE \read(var_1_8) [L89] var_1_25 = (var_1_26 + var_1_27) [L91] var_1_29 = var_1_27 [L92] var_1_30 = var_1_8 [L93] COND FALSE !((var_1_29 > var_1_25) && var_1_30) [L96] var_1_9 = ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))) [L98] var_1_17 = ((var_1_18 - 25) - var_1_25) [L99] signed long int stepLocal_2 = var_1_25 + var_1_17; [L100] COND TRUE ((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < stepLocal_2 [L101] var_1_20 = (var_1_23 || var_1_24) [L105] signed short int stepLocal_3 = var_1_9; [L106] COND FALSE !((~ var_1_29) > stepLocal_3) [L109] var_1_28 = (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))) [L111] signed long int stepLocal_1 = (((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25)); [L112] unsigned char stepLocal_0 = var_1_25; [L113] COND TRUE stepLocal_1 <= (var_1_25 - var_1_25) [L114] COND FALSE !(stepLocal_0 < var_1_25) [L178] RET step() [L179] CALL, EXPR property() [L169-L170] return (((((((((((((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25))) <= (var_1_25 - var_1_25)) ? ((var_1_25 < var_1_25) ? (var_1_20 ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_8))) : 1) : (var_1_1 == ((unsigned char) 0))) && (((var_1_29 > var_1_25) && var_1_30) ? (var_1_9 == ((signed short int) var_1_25)) : (var_1_9 == ((signed short int) ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))))))) && (var_1_8 ? (var_1_13 == ((float) (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))))) : 1)) && (var_1_17 == ((signed short int) ((var_1_18 - 25) - var_1_25)))) && ((((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < (var_1_25 + var_1_17)) ? (var_1_20 == ((unsigned char) (var_1_23 || var_1_24))) : (var_1_20 == ((unsigned char) var_1_7)))) && (var_1_8 ? (var_1_25 == ((unsigned char) (var_1_26 + var_1_27))) : 1)) && (((~ var_1_29) > var_1_9) ? (var_1_28 == ((unsigned char) (! var_1_7))) : (var_1_28 == ((unsigned char) (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))))))) && (var_1_29 == ((unsigned short int) var_1_27))) && (var_1_30 == ((unsigned char) var_1_8)) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_13=7, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=257/2, var_1_37=257/2, var_1_38=0, var_1_39=1, var_1_44=257/2, var_1_45=37/20, var_1_46=5, var_1_47=6, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_13=7, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=257/2, var_1_37=257/2, var_1_38=0, var_1_39=1, var_1_44=257/2, var_1_45=37/20, var_1_46=5, var_1_47=6, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 24, 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=48occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 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 00:48:47,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:48:50,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:48:50,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:48:50,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:48:50,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:48:50,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:48:50,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:48:50,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:48:50,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:48:50,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:48:50,484 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:48:50,485 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:48:50,485 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:48:50,487 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:48:50,488 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:48:50,488 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:48:50,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:48:50,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:48:50,491 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:48:50,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:48:50,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:48:50,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:48:50,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:48:50,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:48:50,494 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:48:50,495 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:48:50,495 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:48:50,496 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:48:50,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:48:50,497 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:48:50,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:48:50,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:48:50,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:48:50,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:50,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:48:50,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:48:50,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:48:50,501 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:48:50,501 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:48:50,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:48:50,502 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:48:50,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:48:50,503 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_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e [2023-11-12 00:48:50,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:48:50,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:48:50,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:48:50,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:48:50,990 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:48:50,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-12 00:48:54,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:48:54,428 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:48:54,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-12 00:48:54,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/data/5fc2e9b99/e0a98471693d4c878ddeaad970ee8ad1/FLAG6c63403eb [2023-11-12 00:48:54,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/data/5fc2e9b99/e0a98471693d4c878ddeaad970ee8ad1 [2023-11-12 00:48:54,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:48:54,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:48:54,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:54,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:48:54,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:48:54,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:54,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b72dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54, skipping insertion in model container [2023-11-12 00:48:54,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:54,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:48:54,672 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_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2023-11-12 00:48:54,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:54,774 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:48:54,794 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_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2023-11-12 00:48:54,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:54,896 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:48:54,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54 WrapperNode [2023-11-12 00:48:54,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:54,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:54,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:48:54,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:48:54,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:54,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:54,986 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2023-11-12 00:48:54,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:54,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:48:54,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:48:54,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:48:55,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:55,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:55,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:55,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:55,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:55,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:55,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:55,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:55,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:48:55,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:48:55,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:48:55,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:48:55,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (1/1) ... [2023-11-12 00:48:55,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:55,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:55,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:48:55,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:48:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:48:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:48:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:48:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:48:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:48:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:48:55,313 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:48:55,316 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:49:02,727 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:02,734 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:02,735 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:49:02,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:02 BoogieIcfgContainer [2023-11-12 00:49:02,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:02,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:02,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:02,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:02,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:48:54" (1/3) ... [2023-11-12 00:49:02,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6929fa33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:02, skipping insertion in model container [2023-11-12 00:49:02,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:54" (2/3) ... [2023-11-12 00:49:02,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6929fa33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:02, skipping insertion in model container [2023-11-12 00:49:02,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:02" (3/3) ... [2023-11-12 00:49:02,746 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-12 00:49:02,766 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:02,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:49:02,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:02,822 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;@5f101b89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:02,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:49:02,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:49:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:49:02,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:02,847 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:02,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:02,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:02,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1164577728, now seen corresponding path program 1 times [2023-11-12 00:49:02,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:02,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623801286] [2023-11-12 00:49:02,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:02,869 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 00:49:02,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:02,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 00:49:02,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 00:49:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:03,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:49:03,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2023-11-12 00:49:03,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:49:03,801 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:49:03,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623801286] [2023-11-12 00:49:03,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [623801286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:03,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:03,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:49:03,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765052451] [2023-11-12 00:49:03,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:03,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:49:03,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:49:03,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:49:03,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:49:03,850 INFO L87 Difference]: Start difference. First operand has 79 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:49:03,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:03,917 INFO L93 Difference]: Finished difference Result 151 states and 260 transitions. [2023-11-12 00:49:03,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:49:03,920 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2023-11-12 00:49:03,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:03,932 INFO L225 Difference]: With dead ends: 151 [2023-11-12 00:49:03,932 INFO L226 Difference]: Without dead ends: 75 [2023-11-12 00:49:03,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:49:03,941 INFO L413 NwaCegarLoop]: 113 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, 113 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 00:49:03,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:49:03,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-12 00:49:04,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-12 00:49:04,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:49:04,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2023-11-12 00:49:04,011 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 160 [2023-11-12 00:49:04,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:04,012 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2023-11-12 00:49:04,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:49:04,013 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2023-11-12 00:49:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:49:04,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:04,017 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:04,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:49:04,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 00:49:04,234 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:04,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:04,235 INFO L85 PathProgramCache]: Analyzing trace with hash -791925380, now seen corresponding path program 1 times [2023-11-12 00:49:04,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:04,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728934094] [2023-11-12 00:49:04,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:04,237 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 00:49:04,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:04,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 00:49:04,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 00:49:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:05,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:49:05,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:06,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 00:49:06,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:49:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:49:06,697 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:49:06,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728934094] [2023-11-12 00:49:06,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728934094] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:49:06,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [11143665] [2023-11-12 00:49:06,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:06,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:49:06,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:49:06,705 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:49:06,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:49:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:08,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:49:08,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:49:08,982 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:49:08,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [11143665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:08,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:49:08,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 9 [2023-11-12 00:49:08,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175827127] [2023-11-12 00:49:08,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:08,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:49:08,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:49:08,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:49:08,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:49:08,988 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:49:09,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:09,429 INFO L93 Difference]: Finished difference Result 205 states and 314 transitions. [2023-11-12 00:49:09,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:49:09,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2023-11-12 00:49:09,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:09,435 INFO L225 Difference]: With dead ends: 205 [2023-11-12 00:49:09,435 INFO L226 Difference]: Without dead ends: 133 [2023-11-12 00:49:09,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 469 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:49:09,438 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 113 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:09,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 481 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:49:09,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-12 00:49:09,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 75. [2023-11-12 00:49:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 49 states have internal predecessors, (64), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:49:09,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 112 transitions. [2023-11-12 00:49:09,457 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 112 transitions. Word has length 160 [2023-11-12 00:49:09,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:09,459 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 112 transitions. [2023-11-12 00:49:09,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:49:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 112 transitions. [2023-11-12 00:49:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:49:09,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:09,464 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:09,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:49:09,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 00:49:09,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 00:49:09,878 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:09,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:09,879 INFO L85 PathProgramCache]: Analyzing trace with hash 983081982, now seen corresponding path program 1 times [2023-11-12 00:49:09,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:09,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701933712] [2023-11-12 00:49:09,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:09,880 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 00:49:09,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:09,884 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 00:49:09,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 (5)] Waiting until timeout for monitored process [2023-11-12 00:49:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:10,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:49:10,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 00:49:11,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:49:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:49:12,126 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:49:12,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701933712] [2023-11-12 00:49:12,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701933712] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:49:12,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [89744704] [2023-11-12 00:49:12,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:12,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:49:12,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:49:12,130 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:49:12,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:49:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:14,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:49:14,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 00:49:15,146 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:49:15,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:49:15,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [89744704] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:49:15,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733943018] [2023-11-12 00:49:15,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:15,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:49:15,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:15,620 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:49:15,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 00:49:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:16,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:49:16,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 00:49:16,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:49:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:49:17,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733943018] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:49:17,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:49:17,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-12 00:49:17,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924567208] [2023-11-12 00:49:17,379 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:49:17,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:49:17,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:49:17,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:49:17,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:49:17,383 INFO L87 Difference]: Start difference. First operand 75 states and 112 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-12 00:49:18,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:18,478 INFO L93 Difference]: Finished difference Result 155 states and 228 transitions. [2023-11-12 00:49:18,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 00:49:18,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 160 [2023-11-12 00:49:18,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:18,484 INFO L225 Difference]: With dead ends: 155 [2023-11-12 00:49:18,484 INFO L226 Difference]: Without dead ends: 83 [2023-11-12 00:49:18,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 958 GetRequests, 946 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:49:18,487 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 85 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:18,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 189 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-12 00:49:18,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-12 00:49:18,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2023-11-12 00:49:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 52 states have internal predecessors, (66), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:49:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2023-11-12 00:49:18,505 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 160 [2023-11-12 00:49:18,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:18,506 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2023-11-12 00:49:18,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-12 00:49:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2023-11-12 00:49:18,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:49:18,509 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:18,510 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:18,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-12 00:49:18,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:49:18,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:49:19,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:49:19,123 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:19,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:19,124 INFO L85 PathProgramCache]: Analyzing trace with hash 165433532, now seen corresponding path program 1 times [2023-11-12 00:49:19,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:19,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797042445] [2023-11-12 00:49:19,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:19,125 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 00:49:19,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:19,126 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 00:49:19,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b0d4674-ea74-4d11-9cbd-2ddb81da8648/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 (8)] Waiting until timeout for monitored process [2023-11-12 00:49:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:19,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-12 00:49:19,863 INFO L285 TraceCheckSpWp]: Computing forward predicates...