./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ --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 71136a44fe5b0f9d96ea6c9aa771940ab024898ccbae8d44c9033aa2b26aac18 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:18:32,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:18:32,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:18:32,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:18:32,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:18:32,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:18:32,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:18:32,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:18:32,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:18:32,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:18:32,588 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:18:32,589 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:18:32,590 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:18:32,592 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:18:32,593 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:18:32,593 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:18:32,594 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:18:32,594 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:18:32,595 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:18:32,595 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:18:32,598 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:18:32,598 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:18:32,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:18:32,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:18:32,601 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:18:32,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:18:32,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:18:32,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:18:32,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:18:32,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:18:32,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:18:32,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:18:32,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:18:32,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:18:32,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:18:32,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:18:32,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:18:32,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:18:32,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:18:32,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:18:32,608 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:18:32,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:18:32,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:18:32,609 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:18:32,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:18:32,610 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_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71136a44fe5b0f9d96ea6c9aa771940ab024898ccbae8d44c9033aa2b26aac18 [2023-11-19 05:18:32,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:18:33,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:18:33,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:18:33,018 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:18:33,019 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:18:33,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i [2023-11-19 05:18:36,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:18:37,124 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:18:37,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i [2023-11-19 05:18:37,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/data/50c901d2c/fffe93e68edf492c9f1274337aee0724/FLAGf86c28aeb [2023-11-19 05:18:37,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/data/50c901d2c/fffe93e68edf492c9f1274337aee0724 [2023-11-19 05:18:37,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:18:37,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:18:37,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:18:37,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:18:37,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:18:37,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d04886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37, skipping insertion in model container [2023-11-19 05:18:37,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,214 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:18:37,444 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_23171997-6af5-48e3-b578-274d350262ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i[919,932] [2023-11-19 05:18:37,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:18:37,595 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:18:37,616 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_23171997-6af5-48e3-b578-274d350262ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i[919,932] [2023-11-19 05:18:37,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:18:37,709 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:18:37,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37 WrapperNode [2023-11-19 05:18:37,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:18:37,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:18:37,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:18:37,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:18:37,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,797 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-19 05:18:37,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:18:37,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:18:37,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:18:37,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:18:37,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:18:37,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:18:37,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:18:37,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:18:37,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (1/1) ... [2023-11-19 05:18:37,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:18:37,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:18:37,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:18:37,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:18:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:18:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:18:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:18:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:18:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:18:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:18:38,068 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:18:38,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:18:38,584 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:18:38,805 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:18:38,805 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:18:38,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:38 BoogieIcfgContainer [2023-11-19 05:18:38,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:18:38,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:18:38,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:18:38,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:18:38,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:18:37" (1/3) ... [2023-11-19 05:18:38,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb04107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:18:38, skipping insertion in model container [2023-11-19 05:18:38,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:37" (2/3) ... [2023-11-19 05:18:38,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb04107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:18:38, skipping insertion in model container [2023-11-19 05:18:38,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:38" (3/3) ... [2023-11-19 05:18:38,823 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-69.i [2023-11-19 05:18:38,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:18:38,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:18:38,911 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:18:38,920 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;@4d19e2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:18:38,921 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:18:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 05:18:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-19 05:18:38,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:38,951 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:18:38,952 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:38,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:38,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1126718239, now seen corresponding path program 1 times [2023-11-19 05:18:38,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:18:38,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449814935] [2023-11-19 05:18:38,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:38,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:18:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:18:39,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:18:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:18:40,337 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:18:40,341 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:18:40,343 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:18:40,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:18:40,352 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:18:40,358 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:18:40,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:18:40 BoogieIcfgContainer [2023-11-19 05:18:40,532 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:18:40,535 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:18:40,535 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:18:40,536 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:18:40,537 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:38" (3/4) ... [2023-11-19 05:18:40,543 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:18:40,545 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:18:40,547 INFO L158 Benchmark]: Toolchain (without parser) took 3386.07ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 116.2MB in the end (delta: 8.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-19 05:18:40,547 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:18:40,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.96ms. Allocated memory is still 163.6MB. Free memory was 124.1MB in the beginning and 110.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:18:40,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.49ms. Allocated memory is still 163.6MB. Free memory was 110.4MB in the beginning and 107.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:18:40,551 INFO L158 Benchmark]: Boogie Preprocessor took 45.81ms. Allocated memory is still 163.6MB. Free memory was 106.8MB in the beginning and 105.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:18:40,557 INFO L158 Benchmark]: RCFGBuilder took 966.46ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 117.8MB in the end (delta: -12.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-19 05:18:40,559 INFO L158 Benchmark]: TraceAbstraction took 1717.99ms. Allocated memory is still 163.6MB. Free memory was 117.0MB in the beginning and 116.2MB in the end (delta: 811.6kB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2023-11-19 05:18:40,560 INFO L158 Benchmark]: Witness Printer took 10.41ms. Allocated memory is still 163.6MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:18:40,572 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 121.6MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.96ms. Allocated memory is still 163.6MB. Free memory was 124.1MB in the beginning and 110.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.49ms. Allocated memory is still 163.6MB. Free memory was 110.4MB in the beginning and 107.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.81ms. Allocated memory is still 163.6MB. Free memory was 106.8MB in the beginning and 105.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 966.46ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 117.8MB in the end (delta: -12.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1717.99ms. Allocated memory is still 163.6MB. Free memory was 117.0MB in the beginning and 116.2MB in the end (delta: 811.6kB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Witness Printer took 10.41ms. Allocated memory is still 163.6MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 4; [L23] signed short int var_1_3 = 128; [L24] signed short int var_1_4 = 10; [L25] unsigned char var_1_5 = 200; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 64; [L29] signed char var_1_9 = -128; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] double var_1_12 = 32.75; [L33] double var_1_13 = 255.6; [L34] signed short int var_1_14 = 8; [L35] unsigned long int var_1_15 = 256; [L36] unsigned long int var_1_16 = 4031871391; [L37] unsigned long int var_1_17 = 3083112228; [L38] unsigned long int var_1_18 = 3058504136; [L39] unsigned long int var_1_19 = 1902304375; [L40] unsigned char var_1_20 = 1; [L41] unsigned char var_1_22 = 0; [L42] unsigned char var_1_23 = 1; [L43] unsigned char last_1_var_1_1 = 4; [L44] signed char last_1_var_1_9 = -128; [L45] signed short int last_1_var_1_14 = 8; [L146] isInitial = 1 [L147] FCALL initially() [L148] COND TRUE 1 [L149] CALL updateLastVariables() [L137] last_1_var_1_1 = var_1_1 [L138] last_1_var_1_9 = var_1_9 [L139] last_1_var_1_14 = var_1_14 [L149] RET updateLastVariables() [L150] CALL updateVariables() [L91] var_1_3 = __VERIFIER_nondet_short() [L92] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L93] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L94] var_1_4 = __VERIFIER_nondet_short() [L95] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L96] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L97] var_1_5 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_5 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_5 >= 190) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L99] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L100] var_1_6 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=-128] [L102] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=-128] [L103] var_1_7 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=-128] [L105] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=-128] [L106] var_1_8 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L108] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L111] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L112] var_1_11 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L114] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L115] var_1_13 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L117] var_1_16 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L119] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L120] var_1_17 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L122] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L123] var_1_18 = __VERIFIER_nondet_ulong() [L124] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L125] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L126] var_1_19 = __VERIFIER_nondet_ulong() [L127] CALL assume_abort_if_not(var_1_19 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_19 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L128] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L129] var_1_22 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L131] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L132] var_1_23 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L134] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=6442450980, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-128] [L150] RET updateVariables() [L151] CALL step() [L49] COND TRUE last_1_var_1_9 < last_1_var_1_1 [L50] var_1_20 = ((! (var_1_11 && var_1_22)) && (var_1_10 || var_1_23)) [L54] COND FALSE !(last_1_var_1_14 >= (var_1_3 - var_1_4)) [L57] var_1_1 = (32 + var_1_7) [L59] COND TRUE var_1_20 || (var_1_6 <= var_1_8) [L60] var_1_14 = var_1_6 [L62] COND FALSE !((var_1_8 - var_1_5) >= var_1_1) [L69] var_1_9 = var_1_5 [L71] COND FALSE !(var_1_7 > var_1_1) [L82] var_1_12 = var_1_13 [L84] COND TRUE var_1_12 < var_1_13 [L85] var_1_15 = (((((((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) > (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18))))) ? (((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) : (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18)))))) - (var_1_19 - 32u)) [L151] RET step() [L152] CALL, EXPR property() [L142-L143] return ((((((last_1_var_1_14 >= (var_1_3 - var_1_4)) ? (var_1_1 == ((unsigned char) ((var_1_5 - ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7)))) - var_1_8))) : (var_1_1 == ((unsigned char) (32 + var_1_7)))) && (((var_1_8 - var_1_5) >= var_1_1) ? ((var_1_20 || var_1_20) ? (var_1_9 == ((signed char) var_1_6)) : (var_1_9 == ((signed char) var_1_7))) : (var_1_9 == ((signed char) var_1_5)))) && ((var_1_7 > var_1_1) ? ((((var_1_1 + var_1_9) == var_1_1) && var_1_20) ? ((! var_1_20) ? (var_1_12 == ((double) var_1_13)) : (var_1_12 == ((double) var_1_13))) : (var_1_12 == ((double) var_1_13))) : (var_1_12 == ((double) var_1_13)))) && ((var_1_20 || (var_1_6 <= var_1_8)) ? (var_1_14 == ((signed short int) var_1_6)) : 1)) && ((var_1_12 < var_1_13) ? (var_1_15 == ((unsigned long int) (((((((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) > (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18))))) ? (((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) : (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18)))))) - (var_1_19 - 32u)))) : (var_1_15 == ((unsigned long int) (var_1_18 - var_1_19))))) && ((last_1_var_1_9 < last_1_var_1_1) ? (var_1_20 == ((unsigned char) ((! (var_1_11 && var_1_22)) && (var_1_10 || var_1_23)))) : (var_1_20 == ((unsigned char) var_1_23))) ; [L152] RET, EXPR property() [L152] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=6442450980, var_1_13=6442450980, var_1_14=8, var_1_15=2147483679, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=32, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-66] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=6442450980, var_1_13=6442450980, var_1_14=8, var_1_15=2147483679, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=32, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=190, var_1_6=8, var_1_7=0, var_1_8=4, var_1_9=-66] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 29, 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=53occurred 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: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 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 [2023-11-19 05:18:40,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ --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 71136a44fe5b0f9d96ea6c9aa771940ab024898ccbae8d44c9033aa2b26aac18 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:18:43,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:18:43,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:18:43,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:18:43,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:18:44,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:18:44,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:18:44,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:18:44,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:18:44,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:18:44,063 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:18:44,064 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:18:44,065 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:18:44,067 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:18:44,067 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:18:44,068 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:18:44,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:18:44,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:18:44,071 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:18:44,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:18:44,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:18:44,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:18:44,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:18:44,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:18:44,075 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:18:44,075 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:18:44,076 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:18:44,077 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:18:44,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:18:44,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:18:44,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:18:44,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:18:44,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:18:44,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:18:44,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:18:44,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:18:44,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:18:44,082 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:18:44,082 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:18:44,084 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:18:44,084 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:18:44,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:18:44,085 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_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71136a44fe5b0f9d96ea6c9aa771940ab024898ccbae8d44c9033aa2b26aac18 [2023-11-19 05:18:44,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:18:44,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:18:44,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:18:44,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:18:44,644 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:18:44,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i [2023-11-19 05:18:48,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:18:48,851 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:18:48,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i [2023-11-19 05:18:48,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/data/3f3d5ef82/8dbc62e00b0b43c8bd7931151f7427bf/FLAGd344ad0ff [2023-11-19 05:18:48,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/data/3f3d5ef82/8dbc62e00b0b43c8bd7931151f7427bf [2023-11-19 05:18:48,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:18:48,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:18:48,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:18:48,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:18:48,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:18:48,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:48" (1/1) ... [2023-11-19 05:18:48,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0725dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:48, skipping insertion in model container [2023-11-19 05:18:48,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:48" (1/1) ... [2023-11-19 05:18:48,973 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:18:49,223 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_23171997-6af5-48e3-b578-274d350262ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i[919,932] [2023-11-19 05:18:49,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:18:49,358 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:18:49,379 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_23171997-6af5-48e3-b578-274d350262ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-69.i[919,932] [2023-11-19 05:18:49,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:18:49,472 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:18:49,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49 WrapperNode [2023-11-19 05:18:49,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:18:49,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:18:49,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:18:49,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:18:49,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,586 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-11-19 05:18:49,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:18:49,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:18:49,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:18:49,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:18:49,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:18:49,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:18:49,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:18:49,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:18:49,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (1/1) ... [2023-11-19 05:18:49,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:18:49,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:18:49,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:18:49,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:18:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:18:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:18:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:18:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:18:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:18:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:18:49,947 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:18:49,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:18:50,515 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:18:50,533 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:18:50,533 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:18:50,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:50 BoogieIcfgContainer [2023-11-19 05:18:50,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:18:50,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:18:50,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:18:50,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:18:50,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:18:48" (1/3) ... [2023-11-19 05:18:50,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ba444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:18:50, skipping insertion in model container [2023-11-19 05:18:50,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:49" (2/3) ... [2023-11-19 05:18:50,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ba444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:18:50, skipping insertion in model container [2023-11-19 05:18:50,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:50" (3/3) ... [2023-11-19 05:18:50,558 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-69.i [2023-11-19 05:18:50,583 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:18:50,584 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:18:50,667 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:18:50,675 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;@70f7078, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:18:50,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:18:50,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 05:18:50,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 05:18:50,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:50,715 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:18:50,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:50,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:50,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2053679625, now seen corresponding path program 1 times [2023-11-19 05:18:50,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:18:50,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847610023] [2023-11-19 05:18:50,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:50,758 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 [2023-11-19 05:18:50,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:18:50,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:18:50,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:18:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:51,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:18:51,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:18:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2023-11-19 05:18:51,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:18:51,276 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:18:51,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847610023] [2023-11-19 05:18:51,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847610023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:18:51,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:18:51,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:18:51,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559260331] [2023-11-19 05:18:51,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:18:51,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:18:51,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:18:51,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:18:51,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:18:51,349 INFO L87 Difference]: Start difference. First operand has 72 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-19 05:18:51,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:18:51,401 INFO L93 Difference]: Finished difference Result 137 states and 247 transitions. [2023-11-19 05:18:51,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:18:51,406 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 175 [2023-11-19 05:18:51,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:18:51,419 INFO L225 Difference]: With dead ends: 137 [2023-11-19 05:18:51,420 INFO L226 Difference]: Without dead ends: 68 [2023-11-19 05:18:51,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:18:51,432 INFO L413 NwaCegarLoop]: 105 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, 105 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 [2023-11-19 05:18:51,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:18:51,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-19 05:18:51,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-19 05:18:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 05:18:51,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 105 transitions. [2023-11-19 05:18:51,507 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 105 transitions. Word has length 175 [2023-11-19 05:18:51,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:18:51,510 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 105 transitions. [2023-11-19 05:18:51,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-19 05:18:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-19 05:18:51,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 05:18:51,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:51,524 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:18:51,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:18:51,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:18:51,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:51,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:51,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2103349817, now seen corresponding path program 1 times [2023-11-19 05:18:51,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:18:51,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897482996] [2023-11-19 05:18:51,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:51,728 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 [2023-11-19 05:18:51,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:18:51,731 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:18:51,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:18:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:52,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:18:52,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:18:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-19 05:18:52,499 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:18:52,499 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:18:52,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897482996] [2023-11-19 05:18:52,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897482996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:18:52,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:18:52,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:18:52,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872343753] [2023-11-19 05:18:52,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:18:52,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:18:52,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:18:52,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:18:52,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:18:52,505 INFO L87 Difference]: Start difference. First operand 68 states and 105 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 05:18:52,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:18:52,857 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2023-11-19 05:18:52,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:18:52,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 175 [2023-11-19 05:18:52,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:18:52,865 INFO L225 Difference]: With dead ends: 199 [2023-11-19 05:18:52,865 INFO L226 Difference]: Without dead ends: 134 [2023-11-19 05:18:52,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:18:52,869 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 51 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:18:52,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 295 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:18:52,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-19 05:18:52,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 119. [2023-11-19 05:18:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 05:18:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 184 transitions. [2023-11-19 05:18:52,934 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 184 transitions. Word has length 175 [2023-11-19 05:18:52,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:18:52,936 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 184 transitions. [2023-11-19 05:18:52,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 05:18:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2023-11-19 05:18:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 05:18:52,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:52,952 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:18:52,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:18:53,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:18:53,160 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:53,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:53,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1710322807, now seen corresponding path program 1 times [2023-11-19 05:18:53,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:18:53,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037819171] [2023-11-19 05:18:53,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:53,170 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 [2023-11-19 05:18:53,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:18:53,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:18:53,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23171997-6af5-48e3-b578-274d350262ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:18:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:53,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 05:18:53,470 INFO L285 TraceCheckSpWp]: Computing forward predicates...