./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire --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 4a8cea677bb0034758c0b971bd4c7584ef85964d8ea38e677cb6123f96d842fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:07,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:07,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:31:07,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:07,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:07,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:07,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:07,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:07,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:07,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:07,270 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:07,270 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:07,271 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:07,272 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:07,272 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:07,273 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:07,273 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:07,274 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:07,275 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:07,275 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:07,276 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:07,277 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:07,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:07,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:07,279 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:07,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:07,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:07,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:07,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:07,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:07,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:07,283 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:07,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:07,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:07,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:07,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:07,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:07,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:07,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:07,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:07,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:07,289 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:07,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:07,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:07,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:07,291 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:07,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:07,291 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_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8cea677bb0034758c0b971bd4c7584ef85964d8ea38e677cb6123f96d842fc [2023-11-23 20:31:07,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:07,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:07,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:07,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:07,623 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:07,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i [2023-11-23 20:31:10,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:10,956 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:10,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i [2023-11-23 20:31:10,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/data/d3c0a0547/7aad164ee98b4acbbd39f8e4e1b66dab/FLAG4be9d9333 [2023-11-23 20:31:10,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/data/d3c0a0547/7aad164ee98b4acbbd39f8e4e1b66dab [2023-11-23 20:31:10,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:10,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:10,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:10,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:10,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:10,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:10" (1/1) ... [2023-11-23 20:31:10,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@537c199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:10, skipping insertion in model container [2023-11-23 20:31:10,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:10" (1/1) ... [2023-11-23 20:31:11,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:11,207 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_0d2a046a-762a-48ad-8736-b6b039283e7d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i[913,926] [2023-11-23 20:31:11,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:11,293 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:11,307 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_0d2a046a-762a-48ad-8736-b6b039283e7d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i[913,926] [2023-11-23 20:31:11,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:11,361 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:11,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11 WrapperNode [2023-11-23 20:31:11,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:11,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:11,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:11,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:11,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,431 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-23 20:31:11,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:11,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:11,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:11,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:11,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:11,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:11,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:11,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:11,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (1/1) ... [2023-11-23 20:31:11,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:11,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:11,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:11,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:31:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:31:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:31:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:11,667 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:11,670 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:12,093 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:12,313 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:12,314 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:31:12,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:12 BoogieIcfgContainer [2023-11-23 20:31:12,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:12,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:12,318 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:12,321 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:12,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:10" (1/3) ... [2023-11-23 20:31:12,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1a63f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:12, skipping insertion in model container [2023-11-23 20:31:12,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:11" (2/3) ... [2023-11-23 20:31:12,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1a63f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:12, skipping insertion in model container [2023-11-23 20:31:12,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:12" (3/3) ... [2023-11-23 20:31:12,324 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-91.i [2023-11-23 20:31:12,343 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:12,344 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:31:12,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:12,403 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;@7bca4b00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:12,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:31:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-23 20:31:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-23 20:31:12,423 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:12,423 INFO L195 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:12,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:12,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:12,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2022783674, now seen corresponding path program 1 times [2023-11-23 20:31:12,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:12,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668110442] [2023-11-23 20:31:12,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:12,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:12,625 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:31:12,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [945463828] [2023-11-23 20:31:12,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:12,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:31:12,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:12,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:31:12,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:31:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:31:12,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:31:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:31:13,066 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:31:13,069 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:31:13,070 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:31:13,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:31:13,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:31:13,286 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:31:13,292 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:31:13,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:31:13 BoogieIcfgContainer [2023-11-23 20:31:13,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:31:13,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:31:13,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:31:13,496 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:31:13,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:12" (3/4) ... [2023-11-23 20:31:13,498 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:31:13,499 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:31:13,501 INFO L158 Benchmark]: Toolchain (without parser) took 2512.95ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 124.2MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:13,501 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 159.4MB. Free memory was 133.7MB in the beginning and 133.6MB in the end (delta: 137.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:13,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.00ms. Allocated memory is still 159.4MB. Free memory was 115.4MB in the beginning and 101.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:31:13,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.86ms. Allocated memory is still 159.4MB. Free memory was 101.4MB in the beginning and 98.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:13,509 INFO L158 Benchmark]: Boogie Preprocessor took 52.23ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 96.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:13,510 INFO L158 Benchmark]: RCFGBuilder took 830.01ms. Allocated memory is still 159.4MB. Free memory was 96.9MB in the beginning and 112.6MB in the end (delta: -15.7MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2023-11-23 20:31:13,511 INFO L158 Benchmark]: TraceAbstraction took 1177.11ms. Allocated memory is still 159.4MB. Free memory was 112.0MB in the beginning and 124.2MB in the end (delta: -12.2MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2023-11-23 20:31:13,511 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 159.4MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:13,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 159.4MB. Free memory was 133.7MB in the beginning and 133.6MB in the end (delta: 137.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.00ms. Allocated memory is still 159.4MB. Free memory was 115.4MB in the beginning and 101.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.86ms. Allocated memory is still 159.4MB. Free memory was 101.4MB in the beginning and 98.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.23ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 96.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 830.01ms. Allocated memory is still 159.4MB. Free memory was 96.9MB in the beginning and 112.6MB in the end (delta: -15.7MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1177.11ms. Allocated memory is still 159.4MB. Free memory was 112.0MB in the beginning and 124.2MB in the end (delta: -12.2MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 159.4MB. Free memory is still 124.2MB. 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 someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -64; [L23] signed char var_1_2 = -128; [L24] signed char var_1_3 = -8; [L25] signed char var_1_4 = 4; [L26] signed short int var_1_5 = 8; [L27] signed short int var_1_6 = 8; [L28] signed short int var_1_7 = 5; [L29] signed short int var_1_8 = 0; [L30] signed char var_1_9 = 5; [L31] unsigned char var_1_10 = 0; [L32] signed char var_1_11 = 16; [L33] signed short int var_1_12 = 25; [L34] signed short int var_1_13 = 64; [L35] signed long int var_1_14 = -64; [L36] unsigned char var_1_15 = 1; [L37] unsigned char var_1_16 = 16; [L38] float var_1_17 = 1.2; [L39] float var_1_18 = 5.8; [L40] float var_1_19 = 10.25; [L41] float var_1_20 = 2.5; [L42] signed short int var_1_21 = 200; [L43] unsigned char var_1_22 = 1; [L44] unsigned char var_1_23 = 1; [L45] unsigned char var_1_24 = 1; [L46] unsigned char var_1_25 = 0; [L47] signed char var_1_26 = -5; [L153] isInitial = 1 [L154] FCALL initially() [L155] COND TRUE 1 [L156] FCALL updateLastVariables() [L157] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_2 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=-8, var_1_4=4, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_2 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=-8, var_1_4=4, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L95] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=-8, var_1_4=4, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=-8, var_1_4=4, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L96] var_1_3 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L98] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L99] var_1_4 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L101] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L102] var_1_5 = __VERIFIER_nondet_short() [L103] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L104] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L105] var_1_6 = __VERIFIER_nondet_short() [L106] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5, var_1_8=0, var_1_9=5] [L107] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5, var_1_8=0, var_1_9=5] [L108] var_1_7 = __VERIFIER_nondet_short() [L109] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L110] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L111] var_1_8 = __VERIFIER_nondet_short() [L112] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L113] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L114] var_1_10 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L116] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=16, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L117] var_1_11 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L119] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=25, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L120] var_1_12 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_12 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_12 >= -32768) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L122] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L123] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=-64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L124] var_1_14 = __VERIFIER_nondet_long() [L125] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L126] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L127] var_1_16 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L129] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L130] var_1_18 = __VERIFIER_nondet_float() [L131] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L132] var_1_19 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L134] var_1_20 = __VERIFIER_nondet_float() [L135] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L136] var_1_22 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L138] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L139] var_1_23 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L141] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L142] var_1_25 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L144] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=5] [L157] RET updateVariables() [L158] CALL step() [L51] COND TRUE var_1_2 == var_1_3 [L52] COND TRUE var_1_3 <= ((((var_1_2) > (var_1_4)) ? (var_1_2) : (var_1_4))) [L53] var_1_1 = (var_1_3 + (((((var_1_5 - var_1_6)) < ((var_1_7 - var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 - var_1_8))))) [L58] COND TRUE \read(var_1_10) [L59] var_1_9 = var_1_11 [L67] COND FALSE !((- var_1_5) >= (var_1_4 * (var_1_14 % var_1_12))) [L70] COND TRUE var_1_11 < var_1_2 [L71] COND TRUE var_1_7 == ((var_1_6 + var_1_8) - var_1_5) [L72] var_1_15 = var_1_16 [L79] COND TRUE var_1_11 < 5 [L80] var_1_17 = ((((var_1_18) > ((var_1_19 - var_1_20))) ? (var_1_18) : ((var_1_19 - var_1_20)))) [L82] COND TRUE \read(var_1_10) [L83] COND TRUE var_1_22 && var_1_23 [L84] var_1_21 = var_1_3 [L89] var_1_24 = var_1_25 [L90] var_1_26 = var_1_11 [L158] RET step() [L159] CALL, EXPR property() [L149-L150] return ((((((((var_1_2 == var_1_3) ? ((var_1_3 <= ((((var_1_2) > (var_1_4)) ? (var_1_2) : (var_1_4)))) ? (var_1_1 == ((signed short int) (var_1_3 + (((((var_1_5 - var_1_6)) < ((var_1_7 - var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 - var_1_8))))))) : (var_1_1 == ((signed short int) (((((var_1_8 - var_1_6)) < (((var_1_7 - var_1_5) + -256))) ? ((var_1_8 - var_1_6)) : (((var_1_7 - var_1_5) + -256))))))) : 1) && (var_1_10 ? (var_1_9 == ((signed char) var_1_11)) : ((var_1_7 <= (var_1_3 / var_1_12)) ? (var_1_9 == ((signed char) var_1_11)) : (var_1_9 == ((signed char) var_1_11))))) && (((- var_1_5) >= (var_1_4 * (var_1_14 % var_1_12))) ? (var_1_13 == ((signed short int) var_1_2)) : 1)) && ((var_1_11 < var_1_2) ? ((var_1_7 == ((var_1_6 + var_1_8) - var_1_5)) ? (var_1_15 == ((unsigned char) var_1_16)) : (var_1_15 == ((unsigned char) var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && ((var_1_11 < 5) ? (var_1_17 == ((float) ((((var_1_18) > ((var_1_19 - var_1_20))) ? (var_1_18) : ((var_1_19 - var_1_20)))))) : 1)) && (var_1_10 ? ((var_1_22 && var_1_23) ? (var_1_21 == ((signed short int) var_1_3)) : 1) : (var_1_21 == ((signed short int) (var_1_7 - 2))))) && (var_1_24 == ((unsigned char) var_1_25))) && (var_1_26 == ((signed char) var_1_11)) ; [L159] RET, EXPR property() [L159] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=2, var_1_1=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-1, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=-1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=-1, var_1_12=1, var_1_13=64, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=2, var_1_1=0, var_1_21=0, var_1_22=1, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=-1, var_1_2=0, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 34, 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=61occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 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 [2023-11-23 20:31:13,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire --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 4a8cea677bb0034758c0b971bd4c7584ef85964d8ea38e677cb6123f96d842fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:16,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:16,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:31:16,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:16,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:16,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:16,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:16,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:16,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:16,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:16,455 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:16,455 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:16,455 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:16,457 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:16,458 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:16,458 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:16,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:16,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:16,460 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:16,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:16,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:16,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:16,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:16,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:16,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:31:16,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:31:16,464 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:31:16,465 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:16,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:16,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:16,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:16,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:31:16,467 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:16,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:16,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:16,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:16,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:16,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:16,469 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:31:16,470 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:31:16,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:16,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:16,471 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:16,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:16,472 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_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a8cea677bb0034758c0b971bd4c7584ef85964d8ea38e677cb6123f96d842fc [2023-11-23 20:31:16,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:16,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:16,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:16,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:16,941 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:16,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i [2023-11-23 20:31:20,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:20,415 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:20,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i [2023-11-23 20:31:20,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/data/c3ecf759b/6165f72351524cad8ca8c31175e09fdb/FLAGd485d451b [2023-11-23 20:31:20,457 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/data/c3ecf759b/6165f72351524cad8ca8c31175e09fdb [2023-11-23 20:31:20,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:20,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:20,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:20,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:20,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:20,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:20,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb52df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20, skipping insertion in model container [2023-11-23 20:31:20,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:20,526 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:20,729 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_0d2a046a-762a-48ad-8736-b6b039283e7d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i[913,926] [2023-11-23 20:31:20,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:20,869 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:20,887 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_0d2a046a-762a-48ad-8736-b6b039283e7d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-91.i[913,926] [2023-11-23 20:31:20,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:20,943 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:20,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20 WrapperNode [2023-11-23 20:31:20,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:20,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:20,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:20,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:20,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:20,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:20,999 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2023-11-23 20:31:20,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:21,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:21,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:21,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:21,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:21,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:21,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:21,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:21,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:21,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:21,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:21,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:21,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:21,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:21,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:21,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:21,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2023-11-23 20:31:21,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:21,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:21,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:21,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:31:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:31:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:31:21,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:21,211 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:21,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:22,123 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:22,180 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:22,180 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:31:22,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:22 BoogieIcfgContainer [2023-11-23 20:31:22,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:22,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:22,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:22,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:22,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:20" (1/3) ... [2023-11-23 20:31:22,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9446653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:22, skipping insertion in model container [2023-11-23 20:31:22,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (2/3) ... [2023-11-23 20:31:22,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9446653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:22, skipping insertion in model container [2023-11-23 20:31:22,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:22" (3/3) ... [2023-11-23 20:31:22,190 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-91.i [2023-11-23 20:31:22,210 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:22,210 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:31:22,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:22,268 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;@127324a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:22,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:31:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-23 20:31:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-23 20:31:22,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:22,313 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:22,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:22,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:22,319 INFO L85 PathProgramCache]: Analyzing trace with hash 888244464, now seen corresponding path program 1 times [2023-11-23 20:31:22,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:31:22,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505619378] [2023-11-23 20:31:22,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:22,335 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 [2023-11-23 20:31:22,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:31:22,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:31:22,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:31:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:22,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:31:22,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1074 proven. 0 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2023-11-23 20:31:22,849 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:31:22,850 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:31:22,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505619378] [2023-11-23 20:31:22,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505619378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:22,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:22,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:31:22,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281871272] [2023-11-23 20:31:22,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:22,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:31:22,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:31:22,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:31:22,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:31:22,893 INFO L87 Difference]: Start difference. First operand has 75 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 20:31:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:23,261 INFO L93 Difference]: Finished difference Result 147 states and 274 transitions. [2023-11-23 20:31:23,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:31:23,272 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 199 [2023-11-23 20:31:23,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:23,281 INFO L225 Difference]: With dead ends: 147 [2023-11-23 20:31:23,281 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 20:31:23,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:31:23,290 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:23,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:31:23,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 20:31:23,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 20:31:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-23 20:31:23,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 116 transitions. [2023-11-23 20:31:23,369 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 116 transitions. Word has length 199 [2023-11-23 20:31:23,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:23,370 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 116 transitions. [2023-11-23 20:31:23,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 20:31:23,372 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 116 transitions. [2023-11-23 20:31:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-23 20:31:23,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:23,384 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:23,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:31:23,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:31:23,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:23,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1436714408, now seen corresponding path program 1 times [2023-11-23 20:31:23,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:31:23,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851149296] [2023-11-23 20:31:23,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:23,621 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 [2023-11-23 20:31:23,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:31:23,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:31:23,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:31:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:24,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:31:24,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-23 20:31:24,149 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:31:24,149 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:31:24,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851149296] [2023-11-23 20:31:24,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [851149296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:24,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:24,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:31:24,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591023108] [2023-11-23 20:31:24,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:24,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:31:24,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:31:24,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:31:24,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:24,155 INFO L87 Difference]: Start difference. First operand 73 states and 116 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 20:31:24,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:24,518 INFO L93 Difference]: Finished difference Result 181 states and 285 transitions. [2023-11-23 20:31:24,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:31:24,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 199 [2023-11-23 20:31:24,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:24,531 INFO L225 Difference]: With dead ends: 181 [2023-11-23 20:31:24,531 INFO L226 Difference]: Without dead ends: 109 [2023-11-23 20:31:24,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:31:24,534 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 51 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:24,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 254 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:31:24,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-23 20:31:24,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2023-11-23 20:31:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 55 states have (on average 1.290909090909091) internal successors, (71), 56 states have internal predecessors, (71), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-23 20:31:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 167 transitions. [2023-11-23 20:31:24,586 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 167 transitions. Word has length 199 [2023-11-23 20:31:24,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:24,588 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 167 transitions. [2023-11-23 20:31:24,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 20:31:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2023-11-23 20:31:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-23 20:31:24,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:24,593 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:24,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:31:24,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:31:24,802 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:24,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:24,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1577843181, now seen corresponding path program 1 times [2023-11-23 20:31:24,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:31:24,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563955548] [2023-11-23 20:31:24,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:24,804 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 [2023-11-23 20:31:24,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:31:24,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:31:24,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d2a046a-762a-48ad-8736-b6b039283e7d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 20:31:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:25,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 20:31:25,202 INFO L285 TraceCheckSpWp]: Computing forward predicates...