./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.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_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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_980d8a3c-bc05-4548-b995-22cb0bf815cf/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 6814e4b1182b075f519057bacd5c07f341f45068ab378c95bdf1e389d807335f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:55,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:55,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:12:55,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:55,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:55,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:55,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:55,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:55,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:55,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:55,281 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:55,282 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:55,282 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:55,283 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:55,283 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:55,284 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:55,285 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:55,285 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:55,286 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:55,286 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:55,287 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:55,288 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:55,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:55,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:55,290 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:12:55,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:55,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:12:55,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:55,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:55,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:55,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:55,293 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:12:55,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:55,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:55,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:55,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:55,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:55,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:55,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:55,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:55,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:55,298 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:55,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:55,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:55,299 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:55,299 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:55,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:55,299 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_980d8a3c-bc05-4548-b995-22cb0bf815cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6814e4b1182b075f519057bacd5c07f341f45068ab378c95bdf1e389d807335f [2023-11-23 21:12:55,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:55,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:55,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:55,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:55,634 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:55,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i [2023-11-23 21:12:58,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:59,041 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:59,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i [2023-11-23 21:12:59,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/data/3a04a571d/c19653e68e74469d9c1217e59700a8d6/FLAG2616f0433 [2023-11-23 21:12:59,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/data/3a04a571d/c19653e68e74469d9c1217e59700a8d6 [2023-11-23 21:12:59,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:59,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:59,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:59,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:59,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:59,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be0465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59, skipping insertion in model container [2023-11-23 21:12:59,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:59,299 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_980d8a3c-bc05-4548-b995-22cb0bf815cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i[913,926] [2023-11-23 21:12:59,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:59,387 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:59,401 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_980d8a3c-bc05-4548-b995-22cb0bf815cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i[913,926] [2023-11-23 21:12:59,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:59,479 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:59,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59 WrapperNode [2023-11-23 21:12:59,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:59,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:59,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:59,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:59,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,558 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-23 21:12:59,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:59,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:59,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:59,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:59,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:59,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:59,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:59,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:59,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (1/1) ... [2023-11-23 21:12:59,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:59,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:59,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:59,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:59,873 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:59,875 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:00,451 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:00,811 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:00,811 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:00,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:00 BoogieIcfgContainer [2023-11-23 21:13:00,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:00,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:00,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:00,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:00,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:59" (1/3) ... [2023-11-23 21:13:00,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399e732d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:00, skipping insertion in model container [2023-11-23 21:13:00,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:59" (2/3) ... [2023-11-23 21:13:00,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399e732d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:00, skipping insertion in model container [2023-11-23 21:13:00,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:00" (3/3) ... [2023-11-23 21:13:00,828 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-84.i [2023-11-23 21:13:00,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:00,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:00,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:00,929 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;@2791cdc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:00,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:13:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 21:13:00,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:00,950 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:00,951 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:00,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:00,958 INFO L85 PathProgramCache]: Analyzing trace with hash 436333727, now seen corresponding path program 1 times [2023-11-23 21:13:00,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:00,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804076612] [2023-11-23 21:13:00,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:00,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:01,276 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:13:01,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1260532914] [2023-11-23 21:13:01,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:01,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:13:01,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:01,280 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:13:01,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:13:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:01,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:13:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:01,935 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:13:01,939 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:13:01,941 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:13:01,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:13:02,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:13:02,158 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:13:02,162 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:13:02,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:13:02 BoogieIcfgContainer [2023-11-23 21:13:02,299 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:13:02,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:13:02,303 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:13:02,303 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:13:02,304 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:00" (3/4) ... [2023-11-23 21:13:02,306 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:13:02,308 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:13:02,309 INFO L158 Benchmark]: Toolchain (without parser) took 3237.78ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 111.6MB in the beginning and 92.5MB in the end (delta: 19.1MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,310 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:02,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.95ms. Allocated memory is still 144.7MB. Free memory was 111.6MB in the beginning and 97.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.00ms. Allocated memory is still 144.7MB. Free memory was 97.6MB in the beginning and 94.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,312 INFO L158 Benchmark]: Boogie Preprocessor took 51.78ms. Allocated memory is still 144.7MB. Free memory was 94.0MB in the beginning and 113.6MB in the end (delta: -19.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,313 INFO L158 Benchmark]: RCFGBuilder took 1202.00ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 113.6MB in the beginning and 139.5MB in the end (delta: -25.9MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,314 INFO L158 Benchmark]: TraceAbstraction took 1481.25ms. Allocated memory is still 174.1MB. Free memory was 138.6MB in the beginning and 92.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:02,315 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 174.1MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:02,328 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.95ms. Allocated memory is still 144.7MB. Free memory was 111.6MB in the beginning and 97.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.00ms. Allocated memory is still 144.7MB. Free memory was 97.6MB in the beginning and 94.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.78ms. Allocated memory is still 144.7MB. Free memory was 94.0MB in the beginning and 113.6MB in the end (delta: -19.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1202.00ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 113.6MB in the beginning and 139.5MB in the end (delta: -25.9MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1481.25ms. Allocated memory is still 174.1MB. Free memory was 138.6MB in the beginning and 92.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 174.1MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 121, overapproximation of bitwiseAnd at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -10; [L23] unsigned char var_1_2 = 1; [L24] signed char var_1_3 = -16; [L25] signed char var_1_4 = 50; [L26] signed char var_1_5 = 4; [L27] unsigned long int var_1_6 = 50; [L28] signed long int var_1_7 = -8; [L29] signed long int var_1_8 = -4; [L30] signed char var_1_9 = 50; [L31] unsigned char var_1_10 = 128; [L32] unsigned char var_1_11 = 5; [L33] unsigned long int var_1_12 = 10; [L34] signed char var_1_13 = 16; [L35] signed long int var_1_14 = 1; [L36] unsigned short int var_1_15 = 128; [L37] signed long int var_1_16 = 2; [L38] unsigned short int var_1_17 = 61498; [L39] unsigned long int var_1_18 = 1; [L40] unsigned char var_1_19 = 0; [L41] double var_1_20 = 4.9; [L42] double var_1_21 = 1.5; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] FCALL updateLastVariables() [L129] CALL updateVariables() [L79] var_1_2 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L81] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L82] var_1_3 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L84] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L85] var_1_4 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L87] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L88] var_1_5 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L90] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L91] var_1_7 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L93] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L94] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L95] var_1_8 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L97] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L98] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L99] var_1_10 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L101] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L102] var_1_11 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L104] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_11 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_11 != 127) VAL [isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L106] var_1_14 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L109] var_1_16 = __VERIFIER_nondet_long() [L110] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=119, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=119, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=119, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=119, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L112] var_1_17 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=119, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=119, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L114] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=119, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=119, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L115] var_1_21 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=119, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=119, var_1_12=10, var_1_13=16, var_1_14=-50, var_1_15=128, var_1_16=119, var_1_17=32767, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L129] RET updateVariables() [L130] CALL step() [L46] COND FALSE !(\read(var_1_2)) [L49] COND TRUE -4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) [L50] COND FALSE !(var_1_4 < -16) [L54] EXPR var_1_8 & var_1_4 [L54] COND TRUE var_1_6 <= (var_1_8 & var_1_4) [L55] COND FALSE !(((- 8) / (var_1_10 - var_1_11)) >= var_1_3) [L61] COND FALSE !(var_1_3 <= var_1_1) [L64] var_1_12 = (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))) [L66] COND FALSE !((~ var_1_3) < var_1_14) [L69] EXPR (var_1_4 + var_1_14) & var_1_7 [L69] COND TRUE ((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16)))) [L70] var_1_15 = (var_1_11 + 64) [L74] var_1_18 = var_1_17 [L75] var_1_19 = 0 [L76] var_1_20 = var_1_21 [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR ((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) [L121] EXPR var_1_8 & var_1_4 [L121] EXPR ((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) [L121] EXPR (((((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_14) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) [L121] EXPR (var_1_4 + var_1_14) & var_1_7 [L121] EXPR (((((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_14) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) [L121-L122] return ((((((((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_14) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11))))))) && (var_1_18 == ((unsigned long int) var_1_17))) && (var_1_19 == ((unsigned char) 0))) && (var_1_20 == ((double) var_1_21)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=127, var_1_13=16, var_1_14=-50, var_1_15=183, var_1_16=119, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=119, var_1_12=127, var_1_13=16, var_1_14=-50, var_1_15=183, var_1_16=119, var_1_17=32767, var_1_18=32767, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_2=0, var_1_3=49, var_1_4=50, var_1_5=-11, var_1_6=50, var_1_7=2, var_1_8=-1, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 26, 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=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 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 21:13:02,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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_980d8a3c-bc05-4548-b995-22cb0bf815cf/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 6814e4b1182b075f519057bacd5c07f341f45068ab378c95bdf1e389d807335f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:05,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:05,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:13:05,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:05,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:05,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:05,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:05,283 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:05,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:05,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:05,289 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:05,290 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:05,290 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:05,292 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:05,292 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:05,293 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:05,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:05,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:05,295 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:13:05,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:13:05,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:05,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:05,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:05,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:05,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:13:05,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:13:05,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:13:05,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:13:05,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:05,300 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:05,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:05,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:13:05,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:05,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:05,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:05,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:05,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:05,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:05,304 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:13:05,306 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:13:05,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:05,307 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:05,307 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:05,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:05,308 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_980d8a3c-bc05-4548-b995-22cb0bf815cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6814e4b1182b075f519057bacd5c07f341f45068ab378c95bdf1e389d807335f [2023-11-23 21:13:05,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:05,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:05,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:05,751 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:05,751 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:05,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i [2023-11-23 21:13:09,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:09,584 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:09,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i [2023-11-23 21:13:09,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/data/4e6bfb554/c52a828796ba414e8f840cf5ecde4336/FLAGa1018b0c4 [2023-11-23 21:13:09,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/data/4e6bfb554/c52a828796ba414e8f840cf5ecde4336 [2023-11-23 21:13:09,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:09,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:09,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:09,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:09,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:09,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:09,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c8cbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:09, skipping insertion in model container [2023-11-23 21:13:09,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:09" (1/1) ... [2023-11-23 21:13:09,686 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:09,900 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_980d8a3c-bc05-4548-b995-22cb0bf815cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i[913,926] [2023-11-23 21:13:10,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:10,058 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:10,074 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_980d8a3c-bc05-4548-b995-22cb0bf815cf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-84.i[913,926] [2023-11-23 21:13:10,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:10,135 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:10,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10 WrapperNode [2023-11-23 21:13:10,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:10,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:10,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:10,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:10,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,228 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-11-23 21:13:10,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:10,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:10,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:10,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:10,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:10,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:10,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:10,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:10,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (1/1) ... [2023-11-23 21:13:10,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:10,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:10,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:10,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:13:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:10,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:10,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:10,684 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:10,687 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:11,264 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:11,365 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:11,365 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:11,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:11 BoogieIcfgContainer [2023-11-23 21:13:11,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:11,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:11,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:11,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:11,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:09" (1/3) ... [2023-11-23 21:13:11,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595d9fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:11, skipping insertion in model container [2023-11-23 21:13:11,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:10" (2/3) ... [2023-11-23 21:13:11,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595d9fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:11, skipping insertion in model container [2023-11-23 21:13:11,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:11" (3/3) ... [2023-11-23 21:13:11,379 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-84.i [2023-11-23 21:13:11,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:11,423 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:11,483 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:11,492 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;@26322109, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:11,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:11,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 31 states have internal predecessors, (43), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:13:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 21:13:11,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:11,523 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:11,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:11,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:11,532 INFO L85 PathProgramCache]: Analyzing trace with hash 276544410, now seen corresponding path program 1 times [2023-11-23 21:13:11,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:11,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315460779] [2023-11-23 21:13:11,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:11,551 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 21:13:11,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:11,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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 21:13:11,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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 21:13:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:11,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:13:11,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2023-11-23 21:13:11,989 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:11,990 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:11,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315460779] [2023-11-23 21:13:11,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [315460779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:11,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:11,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:13:11,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375293442] [2023-11-23 21:13:11,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:12,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:13:12,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:12,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:13:12,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:13:12,043 INFO L87 Difference]: Start difference. First operand has 59 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 31 states have internal predecessors, (43), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:13:12,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:12,202 INFO L93 Difference]: Finished difference Result 115 states and 214 transitions. [2023-11-23 21:13:12,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:13:12,217 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 153 [2023-11-23 21:13:12,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:12,233 INFO L225 Difference]: With dead ends: 115 [2023-11-23 21:13:12,234 INFO L226 Difference]: Without dead ends: 57 [2023-11-23 21:13:12,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 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 21:13:12,249 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:12,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:13:12,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-23 21:13:12,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-23 21:13:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 21:13:12,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 90 transitions. [2023-11-23 21:13:12,312 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 90 transitions. Word has length 153 [2023-11-23 21:13:12,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:12,313 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 90 transitions. [2023-11-23 21:13:12,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-23 21:13:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2023-11-23 21:13:12,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-23 21:13:12,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:12,320 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:12,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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)] Ended with exit code 0 [2023-11-23 21:13:12,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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 21:13:12,523 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:12,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:12,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1658233118, now seen corresponding path program 1 times [2023-11-23 21:13:12,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:12,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643012036] [2023-11-23 21:13:12,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:12,531 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 21:13:12,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:12,533 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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 21:13:12,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_980d8a3c-bc05-4548-b995-22cb0bf815cf/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 21:13:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:12,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 21:13:12,940 INFO L285 TraceCheckSpWp]: Computing forward predicates...