./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.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_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/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_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/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_7b9426bc-c770-4461-817f-363fbda6070a/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 52ad8b3465ca936aa8435f36afd68b16818e50b3b550a4fa55cce2fe9610c621 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:32,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:33,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:16:33,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:33,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:33,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:33,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:33,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:33,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:33,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:33,186 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:33,188 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:33,188 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:33,190 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:16:33,191 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:33,191 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:33,191 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:16:33,192 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:16:33,192 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:33,193 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:16:33,193 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:16:33,194 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:16:33,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:33,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:33,196 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:33,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:16:33,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:33,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:33,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:33,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:33,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:33,200 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:33,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:33,200 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:33,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:33,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:33,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:33,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:33,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:33,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:33,202 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:16:33,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:16:33,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:33,203 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:33,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:33,204 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_7b9426bc-c770-4461-817f-363fbda6070a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ad8b3465ca936aa8435f36afd68b16818e50b3b550a4fa55cce2fe9610c621 [2023-11-19 05:16:33,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:33,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:33,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:33,549 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:33,552 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:33,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.i [2023-11-19 05:16:36,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:37,019 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:37,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.i [2023-11-19 05:16:37,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/data/01f1e3077/9b2dd49a9e914b548b4a59aac3985f64/FLAG279e60435 [2023-11-19 05:16:37,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/data/01f1e3077/9b2dd49a9e914b548b4a59aac3985f64 [2023-11-19 05:16:37,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:37,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:37,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:37,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:37,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:37,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b3c656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37, skipping insertion in model container [2023-11-19 05:16:37,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,099 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:37,252 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_7b9426bc-c770-4461-817f-363fbda6070a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.i[913,926] [2023-11-19 05:16:37,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:37,320 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:37,332 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_7b9426bc-c770-4461-817f-363fbda6070a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.i[913,926] [2023-11-19 05:16:37,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:37,407 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:37,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37 WrapperNode [2023-11-19 05:16:37,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:37,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:37,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:37,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:37,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,477 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-19 05:16:37,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:37,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:37,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:37,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:37,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:37,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:37,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:37,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:37,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (1/1) ... [2023-11-19 05:16:37,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:37,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:37,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:37,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:16:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:16:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:16:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:37,754 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:37,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:38,194 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:38,400 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:38,401 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:16:38,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:38 BoogieIcfgContainer [2023-11-19 05:16:38,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:38,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:38,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:38,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:38,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:37" (1/3) ... [2023-11-19 05:16:38,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601a8c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:38, skipping insertion in model container [2023-11-19 05:16:38,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:37" (2/3) ... [2023-11-19 05:16:38,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601a8c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:38, skipping insertion in model container [2023-11-19 05:16:38,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:38" (3/3) ... [2023-11-19 05:16:38,420 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-80.i [2023-11-19 05:16:38,435 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:38,435 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:38,482 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:38,490 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;@41c3f694, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:38,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:38,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:16:38,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 05:16:38,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:38,508 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:16:38,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:38,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:38,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1278630021, now seen corresponding path program 1 times [2023-11-19 05:16:38,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:38,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66756000] [2023-11-19 05:16:38,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:38,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:16:39,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:16:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:16:39,302 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:16:39,304 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:16:39,306 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:16:39,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:16:39,312 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:16:39,317 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:16:39,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:16:39 BoogieIcfgContainer [2023-11-19 05:16:39,418 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:16:39,418 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:16:39,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:16:39,420 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:16:39,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:38" (3/4) ... [2023-11-19 05:16:39,423 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:16:39,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:16:39,426 INFO L158 Benchmark]: Toolchain (without parser) took 2368.01ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 98.1MB in the beginning and 150.2MB in the end (delta: -52.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-19 05:16:39,427 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:39,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.37ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 83.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:16:39,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.99ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 80.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:16:39,435 INFO L158 Benchmark]: Boogie Preprocessor took 34.71ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 79.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:39,438 INFO L158 Benchmark]: RCFGBuilder took 894.41ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 79.2MB in the beginning and 146.6MB in the end (delta: -67.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 05:16:39,440 INFO L158 Benchmark]: TraceAbstraction took 1006.16ms. Allocated memory is still 199.2MB. Free memory was 145.4MB in the beginning and 150.2MB in the end (delta: -4.8MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-19 05:16:39,441 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 199.2MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:39,445 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 142.6MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.37ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 83.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.99ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 80.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.71ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 79.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 894.41ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 79.2MB in the beginning and 146.6MB in the end (delta: -67.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1006.16ms. Allocated memory is still 199.2MB. Free memory was 145.4MB in the beginning and 150.2MB in the end (delta: -4.8MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 199.2MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 128; [L23] double var_1_2 = 24.25; [L24] double var_1_3 = 128.5; [L25] double var_1_4 = 4.5; [L26] double var_1_5 = 49.5; [L27] signed short int var_1_6 = -16; [L28] signed short int var_1_7 = -2; [L29] signed short int var_1_8 = 5; [L30] signed short int var_1_9 = -25; [L31] unsigned char var_1_10 = 200; [L32] unsigned char var_1_11 = 1; [L33] unsigned char var_1_12 = 1; [L34] double var_1_13 = 128.375; [L35] unsigned short int var_1_14 = 0; [L36] float var_1_15 = 0.0; [L37] float var_1_16 = 4.87; [L38] float var_1_17 = 8.875; [L39] signed short int var_1_18 = -128; [L40] unsigned char var_1_19 = 0; [L41] unsigned char var_1_20 = 1; [L42] unsigned char var_1_21 = 0; [L43] unsigned long int var_1_22 = 16; [L44] unsigned long int var_1_23 = 4200661734; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L87] var_1_3 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=9/2, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=9/2, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L89] var_1_4 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L91] var_1_5 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L93] var_1_6 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_6 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_6 >= -16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=-2, var_1_8=5, var_1_9=-25] [L95] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=-2, var_1_8=5, var_1_9=-25] [L96] var_1_7 = __VERIFIER_nondet_short() [L97] CALL assume_abort_if_not(var_1_7 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 >= -16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=5, var_1_9=-25] [L98] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=5, var_1_9=-25] [L99] var_1_8 = __VERIFIER_nondet_short() [L100] CALL assume_abort_if_not(var_1_8 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_8 >= -16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L101] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L102] var_1_11 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L104] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L105] var_1_12 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L107] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L108] var_1_13 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L110] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L111] var_1_15 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L113] var_1_16 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L115] var_1_17 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L117] var_1_20 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L119] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L120] var_1_21 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L122] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L123] var_1_23 = __VERIFIER_nondet_ulong() [L124] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L125] CALL assume_abort_if_not(var_1_23 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_23 <= 4294967294) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4294967294, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=-25] [L138] RET updateVariables() [L139] CALL step() [L48] COND FALSE !(((var_1_2 - var_1_3) * var_1_4) < var_1_5) [L51] var_1_1 = var_1_6 [L53] COND FALSE !(var_1_8 >= var_1_7) [L56] var_1_9 = (var_1_7 + var_1_6) [L58] COND TRUE \read(var_1_11) [L59] var_1_10 = ((((0) < (var_1_12)) ? (0) : (var_1_12))) [L65] COND FALSE !(! var_1_11) [L72] COND FALSE !((var_1_17 <= (- var_1_16)) && var_1_11) [L75] COND TRUE var_1_9 > 0 [L76] var_1_19 = ((var_1_5 >= (- var_1_15)) && (var_1_11 && (var_1_20 && var_1_21))) [L78] COND FALSE !(\read(var_1_19)) [L81] var_1_22 = (((((var_1_23 - var_1_10)) < (var_1_14)) ? ((var_1_23 - var_1_10)) : (var_1_14))) [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return (((((((((var_1_2 - var_1_3) * var_1_4) < var_1_5) ? (var_1_1 == ((signed short int) ((((-8) < ((var_1_6 + ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))) ? (-8) : ((var_1_6 + ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))))))) : (var_1_1 == ((signed short int) var_1_6))) && ((var_1_8 >= var_1_7) ? (var_1_9 == ((signed short int) (-256 + var_1_6))) : (var_1_9 == ((signed short int) (var_1_7 + var_1_6))))) && (var_1_11 ? (var_1_10 == ((unsigned char) ((((0) < (var_1_12)) ? (0) : (var_1_12))))) : ((! (var_1_5 > (255.9 / var_1_13))) ? (var_1_10 == ((unsigned char) var_1_12)) : 1))) && ((! var_1_11) ? ((((var_1_15 - var_1_16) - var_1_17) <= var_1_13) ? (var_1_14 == ((unsigned short int) var_1_10)) : (var_1_14 == ((unsigned short int) var_1_10))) : 1)) && (((var_1_17 <= (- var_1_16)) && var_1_11) ? (var_1_18 == ((signed short int) var_1_6)) : 1)) && ((var_1_9 > 0) ? (var_1_19 == ((unsigned char) ((var_1_5 >= (- var_1_15)) && (var_1_11 && (var_1_20 && var_1_21))))) : 1)) && (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_10 + var_1_14))) : (var_1_22 == ((unsigned long int) (((((var_1_23 - var_1_10)) < (var_1_14)) ? ((var_1_23 - var_1_10)) : (var_1_14)))))) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=-128, var_1_20=1, var_1_21=0, var_1_22=0, var_1_23=4294967294, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=-128, var_1_20=1, var_1_21=0, var_1_22=0, var_1_23=4294967294, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-128, var_1_7=129, var_1_8=120, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 25, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:16:39,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/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_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/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_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/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_7b9426bc-c770-4461-817f-363fbda6070a/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 52ad8b3465ca936aa8435f36afd68b16818e50b3b550a4fa55cce2fe9610c621 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:42,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:42,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:16:42,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:42,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:42,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:42,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:42,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:42,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:42,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:42,415 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:42,416 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:42,416 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:42,418 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:42,419 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:42,419 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:42,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:42,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:42,421 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:42,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:42,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:42,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:42,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:42,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:42,424 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:16:42,425 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:16:42,425 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:16:42,426 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:42,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:42,426 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:42,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:42,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:16:42,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:42,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:42,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:42,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:42,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:42,430 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:16:42,430 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:16:42,431 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:42,431 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:42,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:42,432 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_7b9426bc-c770-4461-817f-363fbda6070a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ad8b3465ca936aa8435f36afd68b16818e50b3b550a4fa55cce2fe9610c621 [2023-11-19 05:16:42,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:42,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:42,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:42,853 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:42,854 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:42,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.i [2023-11-19 05:16:46,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:46,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:46,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.i [2023-11-19 05:16:46,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/data/28864406d/4a1f91b0dcf94c328323241474b24dc6/FLAGe62fa923e [2023-11-19 05:16:46,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/data/28864406d/4a1f91b0dcf94c328323241474b24dc6 [2023-11-19 05:16:46,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:46,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:46,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:46,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:46,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:46,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:46,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494fd523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46, skipping insertion in model container [2023-11-19 05:16:46,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:46,419 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:46,614 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_7b9426bc-c770-4461-817f-363fbda6070a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.i[913,926] [2023-11-19 05:16:46,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:46,771 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:46,791 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_7b9426bc-c770-4461-817f-363fbda6070a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-80.i[913,926] [2023-11-19 05:16:46,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:46,884 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:46,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46 WrapperNode [2023-11-19 05:16:46,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:46,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:46,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:46,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:46,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:46,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:46,950 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2023-11-19 05:16:46,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:46,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:46,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:46,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:46,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:46,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:46,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:46,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:46,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:47,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:47,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:47,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:47,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:47,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:47,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:47,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:47,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (1/1) ... [2023-11-19 05:16:47,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:47,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:47,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:47,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:16:47,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:16:47,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:16:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:47,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:47,348 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:47,351 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:59,173 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:59,182 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:59,182 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:16:59,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:59 BoogieIcfgContainer [2023-11-19 05:16:59,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:59,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:59,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:59,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:59,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:46" (1/3) ... [2023-11-19 05:16:59,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41dbfbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:59, skipping insertion in model container [2023-11-19 05:16:59,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:46" (2/3) ... [2023-11-19 05:16:59,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41dbfbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:59, skipping insertion in model container [2023-11-19 05:16:59,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:59" (3/3) ... [2023-11-19 05:16:59,203 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-80.i [2023-11-19 05:16:59,218 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:59,218 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:59,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:59,272 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;@6278c7d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:59,272 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:59,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:16:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 05:16:59,294 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:59,296 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:16:59,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:59,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:59,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1500491720, now seen corresponding path program 1 times [2023-11-19 05:16:59,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:16:59,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484304050] [2023-11-19 05:16:59,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:59,322 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:16:59,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:16:59,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:16:59,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:17:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:00,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:17:00,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2023-11-19 05:17:00,880 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:00,881 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:00,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484304050] [2023-11-19 05:17:00,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [484304050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:00,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:00,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:00,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590344569] [2023-11-19 05:17:00,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:00,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:17:00,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:00,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:17:00,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:00,926 INFO L87 Difference]: Start difference. First operand has 69 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:17:00,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:00,966 INFO L93 Difference]: Finished difference Result 131 states and 229 transitions. [2023-11-19 05:17:00,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:17:00,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 157 [2023-11-19 05:17:00,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:00,975 INFO L225 Difference]: With dead ends: 131 [2023-11-19 05:17:00,976 INFO L226 Difference]: Without dead ends: 65 [2023-11-19 05:17:00,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:00,983 INFO L413 NwaCegarLoop]: 98 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, 98 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:00,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:17:00,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-19 05:17:01,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-19 05:17:01,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:17:01,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 98 transitions. [2023-11-19 05:17:01,031 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 98 transitions. Word has length 157 [2023-11-19 05:17:01,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:01,032 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 98 transitions. [2023-11-19 05:17:01,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:17:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2023-11-19 05:17:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 05:17:01,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:01,037 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:01,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/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)] Ended with exit code 0 [2023-11-19 05:17:01,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:01,253 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:01,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:01,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1951966394, now seen corresponding path program 1 times [2023-11-19 05:17:01,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:01,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107738251] [2023-11-19 05:17:01,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:01,255 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:01,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:01,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:01,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:17:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:02,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:17:02,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 244 proven. 6 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2023-11-19 05:17:03,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 66 proven. 6 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:17:04,750 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:04,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107738251] [2023-11-19 05:17:04,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107738251] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:04,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2076789318] [2023-11-19 05:17:04,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:04,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:17:04,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:17:04,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:17:04,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:17:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:07,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 05:17:07,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 244 proven. 6 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2023-11-19 05:17:07,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:08,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 66 proven. 6 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:17:08,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2076789318] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:08,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662696080] [2023-11-19 05:17:08,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:08,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:17:08,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:08,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:17:08,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 05:17:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:09,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:17:09,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 244 proven. 6 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2023-11-19 05:17:10,113 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 66 proven. 6 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:17:10,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662696080] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:10,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:17:10,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-11-19 05:17:10,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39504663] [2023-11-19 05:17:10,846 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:17:10,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 05:17:10,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:10,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 05:17:10,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:17:10,855 INFO L87 Difference]: Start difference. First operand 65 states and 98 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:17:15,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:17,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:19,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:19,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:19,488 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2023-11-19 05:17:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 05:17:19,585 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 157 [2023-11-19 05:17:19,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:19,588 INFO L225 Difference]: With dead ends: 135 [2023-11-19 05:17:19,589 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 05:17:19,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 928 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2023-11-19 05:17:19,591 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 165 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 182 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:19,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 149 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 134 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2023-11-19 05:17:19,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 05:17:19,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2023-11-19 05:17:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 41 states have internal predecessors, (50), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:17:19,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2023-11-19 05:17:19,614 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 157 [2023-11-19 05:17:19,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:19,615 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2023-11-19 05:17:19,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 05:17:19,616 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2023-11-19 05:17:19,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 05:17:19,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:19,619 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:19,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:19,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:20,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:20,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:17:20,243 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:20,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:20,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1953813436, now seen corresponding path program 1 times [2023-11-19 05:17:20,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:20,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534994023] [2023-11-19 05:17:20,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:20,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:20,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:20,246 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:20,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9426bc-c770-4461-817f-363fbda6070a/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 (6)] Waiting until timeout for monitored process [2023-11-19 05:17:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:21,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 05:17:21,564 INFO L285 TraceCheckSpWp]: Computing forward predicates...