./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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_1de38b40-3179-4ca8-9160-798b18173b8c/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 36e9a1ca1f60b89b4aed03be6500b09992e3d09beb8e46880b1b8574e3f964f1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:16:06,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:16:06,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:16:06,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:16:06,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:16:06,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:16:06,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:16:06,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:16:06,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:16:06,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:16:06,502 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:16:06,503 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:16:06,503 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:16:06,505 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:16:06,506 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:16:06,506 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:16:06,506 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:16:06,507 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:16:06,507 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:16:06,508 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:16:06,508 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:16:06,509 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:16:06,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:16:06,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:16:06,511 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:16:06,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:16:06,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:16:06,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:16:06,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:16:06,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:16:06,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:16:06,537 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:16:06,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:16:06,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:16:06,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:16:06,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:16:06,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:16:06,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:16:06,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:16:06,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:16:06,542 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:16:06,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:16:06,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:16:06,543 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:16:06,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:16:06,544 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_1de38b40-3179-4ca8-9160-798b18173b8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36e9a1ca1f60b89b4aed03be6500b09992e3d09beb8e46880b1b8574e3f964f1 [2023-11-19 04:16:06,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:16:06,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:16:06,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:16:06,940 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:16:06,941 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:16:06,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i [2023-11-19 04:16:10,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:16:10,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:16:10,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i [2023-11-19 04:16:10,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/data/61465b095/871f01464ca94eedaced1a58101a44b6/FLAGa30ffd210 [2023-11-19 04:16:10,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/data/61465b095/871f01464ca94eedaced1a58101a44b6 [2023-11-19 04:16:10,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:16:10,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:16:10,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:16:10,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:16:10,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:16:10,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:16:10" (1/1) ... [2023-11-19 04:16:10,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162d8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:10, skipping insertion in model container [2023-11-19 04:16:10,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:16:10" (1/1) ... [2023-11-19 04:16:10,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:16:11,023 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_1de38b40-3179-4ca8-9160-798b18173b8c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i[919,932] [2023-11-19 04:16:11,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:16:11,190 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:16:11,232 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_1de38b40-3179-4ca8-9160-798b18173b8c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i[919,932] [2023-11-19 04:16:11,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:16:11,336 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:16:11,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11 WrapperNode [2023-11-19 04:16:11,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:16:11,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:16:11,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:16:11,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:16:11,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,454 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-11-19 04:16:11,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:16:11,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:16:11,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:16:11,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:16:11,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:16:11,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:16:11,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:16:11,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:16:11,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (1/1) ... [2023-11-19 04:16:11,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:16:11,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:16:11,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:16:11,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:16:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:16:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:16:11,642 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:16:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:16:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:16:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:16:11,808 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:16:11,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:16:12,516 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:16:13,006 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:16:13,007 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:16:13,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:13 BoogieIcfgContainer [2023-11-19 04:16:13,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:16:13,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:16:13,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:16:13,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:16:13,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:16:10" (1/3) ... [2023-11-19 04:16:13,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5518c970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:16:13, skipping insertion in model container [2023-11-19 04:16:13,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:11" (2/3) ... [2023-11-19 04:16:13,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5518c970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:16:13, skipping insertion in model container [2023-11-19 04:16:13,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:13" (3/3) ... [2023-11-19 04:16:13,028 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-78.i [2023-11-19 04:16:13,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:16:13,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:16:13,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:16:13,128 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;@7c74ac63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:16:13,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:16:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 04:16:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:16:13,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:13,149 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:13,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:13,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:13,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1694388366, now seen corresponding path program 1 times [2023-11-19 04:16:13,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:16:13,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966498190] [2023-11-19 04:16:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:13,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:16:13,490 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:16:13,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1745547360] [2023-11-19 04:16:13,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:13,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:16:13,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:16:13,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:16:13,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:16:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:16:14,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:16:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:16:14,375 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:16:14,378 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:16:14,379 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:16:14,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:16:14,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:16:14,597 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:16:14,601 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:16:14,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:16:14 BoogieIcfgContainer [2023-11-19 04:16:14,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:16:14,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:16:14,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:16:14,742 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:16:14,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:13" (3/4) ... [2023-11-19 04:16:14,746 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:16:14,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:16:14,750 INFO L158 Benchmark]: Toolchain (without parser) took 4063.65ms. Allocated memory was 174.1MB in the beginning and 266.3MB in the end (delta: 92.3MB). Free memory was 125.4MB in the beginning and 147.3MB in the end (delta: -22.0MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2023-11-19 04:16:14,754 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 141.9MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:16:14,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.97ms. Allocated memory is still 174.1MB. Free memory was 125.4MB in the beginning and 110.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:16:14,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.46ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 103.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:16:14,764 INFO L158 Benchmark]: Boogie Preprocessor took 72.63ms. Allocated memory is still 174.1MB. Free memory was 103.8MB in the beginning and 100.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:16:14,765 INFO L158 Benchmark]: RCFGBuilder took 1484.66ms. Allocated memory was 174.1MB in the beginning and 266.3MB in the end (delta: 92.3MB). Free memory was 100.8MB in the beginning and 191.4MB in the end (delta: -90.6MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-11-19 04:16:14,766 INFO L158 Benchmark]: TraceAbstraction took 1723.54ms. Allocated memory is still 266.3MB. Free memory was 190.3MB in the beginning and 148.4MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 04:16:14,767 INFO L158 Benchmark]: Witness Printer took 6.25ms. Allocated memory is still 266.3MB. Free memory was 148.4MB in the beginning and 147.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:16:14,776 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 141.9MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.97ms. Allocated memory is still 174.1MB. Free memory was 125.4MB in the beginning and 110.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.46ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 103.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.63ms. Allocated memory is still 174.1MB. Free memory was 103.8MB in the beginning and 100.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1484.66ms. Allocated memory was 174.1MB in the beginning and 266.3MB in the end (delta: 92.3MB). Free memory was 100.8MB in the beginning and 191.4MB in the end (delta: -90.6MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1723.54ms. Allocated memory is still 266.3MB. Free memory was 190.3MB in the beginning and 148.4MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 6.25ms. Allocated memory is still 266.3MB. Free memory was 148.4MB in the beginning and 147.3MB in the end (delta: 1.0MB). 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 bitwiseOr at line 49, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61, overapproximation of bitwiseAnd at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_3 = 64; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 2; [L26] unsigned short int var_1_6 = 10; [L27] double var_1_8 = 1.875; [L28] signed long int var_1_9 = -4; [L29] double var_1_10 = 63.5; [L30] double var_1_11 = 255.375; [L31] double var_1_12 = 999999999.525; [L32] double var_1_13 = 63.75; [L33] double var_1_14 = 0.625; [L34] unsigned short int var_1_15 = 5; [L35] signed char var_1_16 = 4; [L36] signed char var_1_17 = 0; [L37] signed char var_1_18 = -2; [L38] signed char var_1_19 = 1; [L39] unsigned short int var_1_20 = 50; [L40] unsigned short int var_1_21 = 0; [L41] unsigned char last_1_var_1_3 = 64; [L42] unsigned short int last_1_var_1_6 = 10; [L43] unsigned short int last_1_var_1_15 = 5; [L44] unsigned short int last_1_var_1_20 = 50; [L45] unsigned short int last_1_var_1_21 = 0; [L119] isInitial = 1 [L120] FCALL initially() [L121] COND TRUE 1 [L122] CALL updateLastVariables() [L108] last_1_var_1_3 = var_1_3 [L109] last_1_var_1_6 = var_1_6 [L110] last_1_var_1_15 = var_1_15 [L111] last_1_var_1_20 = var_1_20 [L112] last_1_var_1_21 = var_1_21 [L122] RET updateLastVariables() [L123] CALL updateVariables() [L77] var_1_4 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L79] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L80] var_1_5 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L82] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L83] var_1_9 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L85] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L86] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L87] var_1_10 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L89] var_1_11 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L91] var_1_12 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L93] var_1_13 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L95] var_1_14 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L97] var_1_17 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L99] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L100] var_1_18 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-15, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-15, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L102] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-15, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-15, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L103] var_1_19 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_19 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-15, var_1_19=16, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_19 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-15, var_1_19=16, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L105] CALL assume_abort_if_not(var_1_19 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-15, var_1_19=16, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_19 <= 31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=5, var_1_16=4, var_1_17=1, var_1_18=-15, var_1_19=16, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=10, var_1_8=15/8, var_1_9=32] [L123] RET updateVariables() [L124] CALL step() [L49] EXPR last_1_var_1_20 ^ last_1_var_1_15 [L49] COND FALSE !((last_1_var_1_20 ^ last_1_var_1_15) < -256) [L52] COND TRUE var_1_5 <= 50 [L53] var_1_6 = last_1_var_1_20 [L56] var_1_20 = (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4))) [L57] COND FALSE !(last_1_var_1_6 < last_1_var_1_21) [L60] COND FALSE !(var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) [L63] COND TRUE var_1_13 <= (var_1_14 + var_1_11) [L64] var_1_8 = var_1_12 [L67] var_1_16 = (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) [L68] var_1_1 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) [L69] EXPR (var_1_3 * var_1_17) & (var_1_1 * var_1_18) [L69] COND FALSE !(var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) [L72] COND TRUE ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21 [L73] var_1_15 = ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))) [L124] RET step() [L125] CALL, EXPR property() [L115] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) [L115] EXPR last_1_var_1_20 ^ last_1_var_1_15 [L115] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) [L115] EXPR (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) [L115] EXPR (var_1_3 * var_1_17) & (var_1_1 * var_1_18) [L115] EXPR (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) [L115-L116] return (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=64, var_1_16=2, var_1_17=1, var_1_18=-15, var_1_19=16, var_1_1=2, var_1_20=64, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=50, var_1_8=4, var_1_9=32] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=64, var_1_16=2, var_1_17=1, var_1_18=-15, var_1_19=16, var_1_1=2, var_1_20=64, var_1_21=0, var_1_3=64, var_1_4=64, var_1_5=0, var_1_6=50, var_1_8=4, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 18, 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=38occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 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 04:16:14,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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_1de38b40-3179-4ca8-9160-798b18173b8c/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 36e9a1ca1f60b89b4aed03be6500b09992e3d09beb8e46880b1b8574e3f964f1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:16:17,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:16:17,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:16:17,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:16:17,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:16:18,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:16:18,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:16:18,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:16:18,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:16:18,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:16:18,079 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:16:18,080 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:16:18,081 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:16:18,083 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:16:18,084 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:16:18,085 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:16:18,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:16:18,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:16:18,088 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:16:18,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:16:18,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:16:18,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:16:18,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:16:18,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:16:18,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:16:18,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:16:18,095 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:16:18,095 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:16:18,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:16:18,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:16:18,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:16:18,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:16:18,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:16:18,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:16:18,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:16:18,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:16:18,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:16:18,102 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:16:18,103 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:16:18,104 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:16:18,105 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:16:18,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:16:18,106 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_1de38b40-3179-4ca8-9160-798b18173b8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36e9a1ca1f60b89b4aed03be6500b09992e3d09beb8e46880b1b8574e3f964f1 [2023-11-19 04:16:18,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:16:18,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:16:18,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:16:18,658 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:16:18,659 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:16:18,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i [2023-11-19 04:16:22,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:16:22,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:16:22,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i [2023-11-19 04:16:22,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/data/f1f8d6612/5104e5d89f1b461682230751b505435e/FLAG865300706 [2023-11-19 04:16:22,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/data/f1f8d6612/5104e5d89f1b461682230751b505435e [2023-11-19 04:16:22,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:16:22,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:16:22,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:16:22,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:16:22,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:16:22,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:16:22" (1/1) ... [2023-11-19 04:16:22,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b0150c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:22, skipping insertion in model container [2023-11-19 04:16:22,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:16:22" (1/1) ... [2023-11-19 04:16:22,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:16:23,204 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_1de38b40-3179-4ca8-9160-798b18173b8c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i[919,932] [2023-11-19 04:16:23,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:16:23,372 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:16:23,407 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_1de38b40-3179-4ca8-9160-798b18173b8c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i[919,932] [2023-11-19 04:16:23,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:16:23,497 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:16:23,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23 WrapperNode [2023-11-19 04:16:23,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:16:23,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:16:23,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:16:23,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:16:23,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,576 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2023-11-19 04:16:23,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:16:23,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:16:23,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:16:23,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:16:23,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:16:23,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:16:23,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:16:23,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:16:23,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (1/1) ... [2023-11-19 04:16:23,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:16:23,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:16:23,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:16:23,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:16:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:16:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:16:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:16:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:16:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:16:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:16:23,867 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:16:23,870 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:16:28,571 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:16:28,581 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:16:28,582 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:16:28,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:28 BoogieIcfgContainer [2023-11-19 04:16:28,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:16:28,590 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:16:28,590 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:16:28,594 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:16:28,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:16:22" (1/3) ... [2023-11-19 04:16:28,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749163a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:16:28, skipping insertion in model container [2023-11-19 04:16:28,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:23" (2/3) ... [2023-11-19 04:16:28,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749163a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:16:28, skipping insertion in model container [2023-11-19 04:16:28,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:28" (3/3) ... [2023-11-19 04:16:28,598 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-78.i [2023-11-19 04:16:28,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:16:28,623 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:16:28,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:16:28,701 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;@4ec5e6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:16:28,702 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:16:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 04:16:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 04:16:28,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:28,726 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:28,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:28,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:28,734 INFO L85 PathProgramCache]: Analyzing trace with hash -303364268, now seen corresponding path program 1 times [2023-11-19 04:16:28,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:16:28,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600027174] [2023-11-19 04:16:28,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:28,754 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 04:16:28,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:16:28,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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 04:16:28,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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 04:16:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:29,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:16:29,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-19 04:16:29,662 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:16:29,663 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:16:29,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600027174] [2023-11-19 04:16:29,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600027174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:16:29,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:16:29,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:16:29,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490415329] [2023-11-19 04:16:29,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:16:29,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:16:29,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:16:29,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:16:29,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:16:29,728 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 04:16:29,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:16:29,794 INFO L93 Difference]: Finished difference Result 107 states and 180 transitions. [2023-11-19 04:16:29,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:16:29,797 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2023-11-19 04:16:29,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:16:29,810 INFO L225 Difference]: With dead ends: 107 [2023-11-19 04:16:29,810 INFO L226 Difference]: Without dead ends: 53 [2023-11-19 04:16:29,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 04:16:29,822 INFO L413 NwaCegarLoop]: 76 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, 76 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 04:16:29,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:16:29,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-19 04:16:29,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-19 04:16:29,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 04:16:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2023-11-19 04:16:29,917 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 117 [2023-11-19 04:16:29,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:16:29,918 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2023-11-19 04:16:29,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 04:16:29,920 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2023-11-19 04:16:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 04:16:29,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:29,930 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:29,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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 04:16:30,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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 04:16:30,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:30,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:30,145 INFO L85 PathProgramCache]: Analyzing trace with hash 566889491, now seen corresponding path program 1 times [2023-11-19 04:16:30,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:16:30,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884434144] [2023-11-19 04:16:30,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:30,146 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 04:16:30,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:16:30,148 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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 04:16:30,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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 04:16:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:30,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:16:30,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 04:16:31,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:16:31,887 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:16:31,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884434144] [2023-11-19 04:16:31,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884434144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:16:31,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:16:31,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:16:31,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722509482] [2023-11-19 04:16:31,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:16:31,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:16:31,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:16:31,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:16:31,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:16:31,903 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 04:16:34,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:16:36,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:16:38,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:16:40,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:16:42,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:16:42,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:16:42,600 INFO L93 Difference]: Finished difference Result 161 states and 231 transitions. [2023-11-19 04:16:42,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:16:42,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2023-11-19 04:16:42,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:16:42,631 INFO L225 Difference]: With dead ends: 161 [2023-11-19 04:16:42,631 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 04:16:42,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:16:42,634 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 62 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 37 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:16:42,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 209 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 11 Invalid, 5 Unknown, 0 Unchecked, 10.6s Time] [2023-11-19 04:16:42,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 04:16:42,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 101. [2023-11-19 04:16:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 62 states have internal predecessors, (75), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-19 04:16:42,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions. [2023-11-19 04:16:42,666 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 147 transitions. Word has length 118 [2023-11-19 04:16:42,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:16:42,667 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 147 transitions. [2023-11-19 04:16:42,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 04:16:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2023-11-19 04:16:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 04:16:42,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:42,671 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:42,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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)] Ended with exit code 0 [2023-11-19 04:16:42,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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 04:16:42,884 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:42,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:42,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1246947861, now seen corresponding path program 1 times [2023-11-19 04:16:42,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:16:42,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576502943] [2023-11-19 04:16:42,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:42,886 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 04:16:42,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:16:42,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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 04:16:42,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/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 04:16:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:44,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:16:44,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 293 proven. 33 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2023-11-19 04:16:46,709 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:16:49,430 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:16:49,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576502943] [2023-11-19 04:16:49,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1576502943] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:16:49,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2142564324] [2023-11-19 04:16:49,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:49,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:16:49,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:16:49,437 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:16:49,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1de38b40-3179-4ca8-9160-798b18173b8c/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 04:16:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:51,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:16:51,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 27 proven. 24 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-19 04:16:52,839 INFO L327 TraceCheckSpWp]: Computing backward predicates...