./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.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_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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_02a31e40-0f89-4331-923b-befe74f6c34c/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 bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:24:01,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:24:02,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:24:02,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:24:02,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:24:02,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:24:02,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:24:02,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:24:02,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:24:02,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:24:02,094 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:24:02,095 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:24:02,096 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:24:02,096 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:24:02,097 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:24:02,097 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:24:02,098 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:24:02,099 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:24:02,099 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:24:02,100 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:24:02,100 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:24:02,101 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:24:02,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:24:02,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:24:02,103 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:24:02,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:24:02,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:24:02,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:24:02,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:24:02,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:24:02,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:24:02,106 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:24:02,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:24:02,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:24:02,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:24:02,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:24:02,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:24:02,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:02,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:24:02,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:24:02,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:24:02,110 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:24:02,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:24:02,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:24:02,111 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:24:02,111 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:24:02,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:24:02,112 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_02a31e40-0f89-4331-923b-befe74f6c34c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 [2023-11-23 21:24:02,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:02,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:02,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:02,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:02,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:02,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2023-11-23 21:24:05,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:05,905 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:05,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2023-11-23 21:24:05,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/data/0477df708/a86287f05696476c818e2c8dc5cf6069/FLAG2a4188e8c [2023-11-23 21:24:05,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/data/0477df708/a86287f05696476c818e2c8dc5cf6069 [2023-11-23 21:24:05,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:05,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:05,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:05,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:05,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:05,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:05" (1/1) ... [2023-11-23 21:24:05,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138a6c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:05, skipping insertion in model container [2023-11-23 21:24:05,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:05" (1/1) ... [2023-11-23 21:24:05,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:06,153 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_02a31e40-0f89-4331-923b-befe74f6c34c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2023-11-23 21:24:06,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:06,276 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:06,289 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_02a31e40-0f89-4331-923b-befe74f6c34c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2023-11-23 21:24:06,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:06,342 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:06,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06 WrapperNode [2023-11-23 21:24:06,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:06,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:06,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:06,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:06,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,411 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2023-11-23 21:24:06,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:06,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:06,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:06,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:06,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:06,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:06,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:06,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:06,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:06,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:06,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:06,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:24:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:24:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:24:06,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:06,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:06,686 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:06,689 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:07,105 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:07,321 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:07,321 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:24:07,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:07 BoogieIcfgContainer [2023-11-23 21:24:07,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:07,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:07,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:07,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:07,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:05" (1/3) ... [2023-11-23 21:24:07,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e22fb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:07, skipping insertion in model container [2023-11-23 21:24:07,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (2/3) ... [2023-11-23 21:24:07,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e22fb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:07, skipping insertion in model container [2023-11-23 21:24:07,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:07" (3/3) ... [2023-11-23 21:24:07,333 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-11.i [2023-11-23 21:24:07,353 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:07,353 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:24:07,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:07,411 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;@635c11b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:07,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:24:07,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:24:07,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 21:24:07,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:07,432 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:07,433 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:07,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:07,457 INFO L85 PathProgramCache]: Analyzing trace with hash -876073631, now seen corresponding path program 1 times [2023-11-23 21:24:07,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:07,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316487439] [2023-11-23 21:24:07,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:07,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:24:08,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:24:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:24:08,474 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:24:08,476 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:24:08,477 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:24:08,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:24:08,488 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:24:08,499 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:24:08,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:24:08 BoogieIcfgContainer [2023-11-23 21:24:08,628 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:24:08,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:24:08,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:24:08,633 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:24:08,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:07" (3/4) ... [2023-11-23 21:24:08,637 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:24:08,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:24:08,641 INFO L158 Benchmark]: Toolchain (without parser) took 2692.53ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 113.7MB in the beginning and 81.5MB in the end (delta: 32.2MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2023-11-23 21:24:08,641 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:08,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.19ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 99.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:24:08,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.83ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 97.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:24:08,645 INFO L158 Benchmark]: Boogie Preprocessor took 66.48ms. Allocated memory is still 144.7MB. Free memory was 97.6MB in the beginning and 96.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:08,650 INFO L158 Benchmark]: RCFGBuilder took 838.33ms. Allocated memory is still 144.7MB. Free memory was 96.0MB in the beginning and 62.5MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 21:24:08,651 INFO L158 Benchmark]: TraceAbstraction took 1302.40ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 61.9MB in the beginning and 81.5MB in the end (delta: -19.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-23 21:24:08,652 INFO L158 Benchmark]: Witness Printer took 8.24ms. Allocated memory is still 174.1MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:24:08,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.19ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 99.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.83ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 97.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.48ms. Allocated memory is still 144.7MB. Free memory was 97.6MB in the beginning and 96.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 838.33ms. Allocated memory is still 144.7MB. Free memory was 96.0MB in the beginning and 62.5MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1302.40ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 61.9MB in the beginning and 81.5MB in the end (delta: -19.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 8.24ms. Allocated memory is still 174.1MB. Free memory is still 81.5MB. 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 someBinaryFLOATComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someUnaryDOUBLEoperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed short int var_1_5 = -256; [L27] signed short int var_1_6 = 4; [L28] signed char var_1_7 = 0; [L29] signed char var_1_8 = 16; [L30] signed char var_1_9 = 4; [L31] unsigned long int var_1_10 = 128; [L32] unsigned long int var_1_11 = 1422462314; [L33] signed short int var_1_12 = 8; [L34] float var_1_13 = 49.5; [L35] float var_1_14 = 0.4; [L36] signed short int var_1_15 = -50; [L37] unsigned long int var_1_16 = 1; [L38] unsigned long int var_1_17 = 3609236770; [L39] unsigned long int var_1_18 = 2902762324; [L40] double var_1_19 = 3.8; [L41] double var_1_20 = 255.75; [L42] unsigned short int var_1_21 = 0; [L130] isInitial = 1 [L131] FCALL initially() [L132] COND TRUE 1 [L133] FCALL updateLastVariables() [L134] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L89] var_1_3 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L91] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L92] var_1_5 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L94] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L95] var_1_6 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_6 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 >= -32768) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=16, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=16, var_1_9=4] [L98] var_1_7 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=16, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=16, var_1_9=4] [L101] var_1_8 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=4] [L104] var_1_9 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L106] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L107] var_1_11 = __VERIFIER_nondet_ulong() [L108] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L109] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L110] var_1_13 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L112] var_1_14 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L114] var_1_17 = __VERIFIER_nondet_ulong() [L115] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L116] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L117] var_1_18 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L119] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L120] var_1_20 = __VERIFIER_nondet_double() [L121] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483647, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L134] RET updateVariables() [L135] CALL step() [L46] var_1_1 = (var_1_2 || (! var_1_3)) [L47] COND FALSE !(var_1_5 == var_1_6) [L50] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L51] COND TRUE var_1_6 != var_1_10 [L52] COND TRUE var_1_8 <= var_1_6 [L53] COND FALSE !((- var_1_13) >= var_1_14) [L60] COND FALSE !(\read(var_1_2)) [L69] var_1_15 = 5 [L71] COND TRUE var_1_13 != var_1_14 [L72] var_1_16 = (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8) [L80] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) [L81] COND FALSE !((var_1_12 == (var_1_8 - var_1_9)) && var_1_2) [L135] RET step() [L136] CALL, EXPR property() [L126-L127] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_5 == var_1_6) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((var_1_6 != var_1_10) ? ((var_1_8 <= var_1_6) ? (((- var_1_13) >= var_1_14) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_2 ? ((var_1_13 >= var_1_14) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_13 != var_1_14) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_5 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_12 == (var_1_8 - var_1_9)) && var_1_2) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=5, var_1_16=0, var_1_17=2147483647, var_1_18=2147483647, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1879543162, var_1_11=2147483647, var_1_12=8, var_1_15=5, var_1_16=0, var_1_17=2147483647, var_1_18=2147483647, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 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 21:24:08,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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_02a31e40-0f89-4331-923b-befe74f6c34c/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 bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:24:11,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:24:11,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:24:11,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:24:11,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:24:11,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:24:11,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:24:11,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:24:11,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:24:11,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:24:11,497 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:24:11,497 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:24:11,498 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:24:11,502 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:24:11,502 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:24:11,503 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:24:11,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:24:11,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:24:11,509 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:24:11,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:24:11,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:24:11,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:24:11,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:24:11,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:24:11,513 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:24:11,513 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:24:11,513 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:24:11,514 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:24:11,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:24:11,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:24:11,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:24:11,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:24:11,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:24:11,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:24:11,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:11,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:24:11,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:24:11,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:24:11,519 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:24:11,520 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:24:11,520 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:24:11,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:24:11,521 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:24:11,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:24:11,522 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_02a31e40-0f89-4331-923b-befe74f6c34c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 [2023-11-23 21:24:11,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:11,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:11,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:11,991 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:11,992 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:11,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2023-11-23 21:24:15,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:15,406 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:15,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2023-11-23 21:24:15,421 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/data/10de26621/fd6c88e28062424fb42e6d6075d535f5/FLAGd9e5cb44c [2023-11-23 21:24:15,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/data/10de26621/fd6c88e28062424fb42e6d6075d535f5 [2023-11-23 21:24:15,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:15,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:15,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:15,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:15,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:15,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb990d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15, skipping insertion in model container [2023-11-23 21:24:15,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:15,646 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_02a31e40-0f89-4331-923b-befe74f6c34c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2023-11-23 21:24:15,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:15,762 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:15,775 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_02a31e40-0f89-4331-923b-befe74f6c34c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2023-11-23 21:24:15,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:15,822 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:15,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15 WrapperNode [2023-11-23 21:24:15,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:15,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:15,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:15,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:15,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,886 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-23 21:24:15,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:15,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:15,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:15,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:15,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:15,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:15,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:15,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:15,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (1/1) ... [2023-11-23 21:24:15,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:16,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:16,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:16,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:24:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:24:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:24:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:16,201 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:16,203 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:16,515 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:16,584 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:16,584 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:24:16,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:16 BoogieIcfgContainer [2023-11-23 21:24:16,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:16,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:16,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:16,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:16,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:15" (1/3) ... [2023-11-23 21:24:16,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac6465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:16, skipping insertion in model container [2023-11-23 21:24:16,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:15" (2/3) ... [2023-11-23 21:24:16,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac6465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:16, skipping insertion in model container [2023-11-23 21:24:16,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:16" (3/3) ... [2023-11-23 21:24:16,594 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-11.i [2023-11-23 21:24:16,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:16,613 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:24:16,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:16,675 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44b284d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:16,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:24:16,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:24:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-23 21:24:16,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:16,695 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:16,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:16,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:16,701 INFO L85 PathProgramCache]: Analyzing trace with hash -394516784, now seen corresponding path program 1 times [2023-11-23 21:24:16,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:16,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560241823] [2023-11-23 21:24:16,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:16,717 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 21:24:16,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:16,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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 21:24:16,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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 21:24:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:17,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:24:17,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:17,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2023-11-23 21:24:17,124 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:24:17,125 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:17,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560241823] [2023-11-23 21:24:17,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560241823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:17,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:17,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:24:17,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104498912] [2023-11-23 21:24:17,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:17,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:24:17,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:17,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:24:17,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:24:17,195 INFO L87 Difference]: Start difference. First operand has 61 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:24:17,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:17,260 INFO L93 Difference]: Finished difference Result 119 states and 213 transitions. [2023-11-23 21:24:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:24:17,265 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140 [2023-11-23 21:24:17,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:17,274 INFO L225 Difference]: With dead ends: 119 [2023-11-23 21:24:17,274 INFO L226 Difference]: Without dead ends: 59 [2023-11-23 21:24:17,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 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 21:24:17,283 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:17,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:24:17,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-23 21:24:17,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-23 21:24:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:24:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 91 transitions. [2023-11-23 21:24:17,332 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 91 transitions. Word has length 140 [2023-11-23 21:24:17,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:17,333 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 91 transitions. [2023-11-23 21:24:17,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:24:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 91 transitions. [2023-11-23 21:24:17,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-23 21:24:17,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:17,338 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:17,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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 21:24:17,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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 21:24:17,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:17,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:17,546 INFO L85 PathProgramCache]: Analyzing trace with hash 2008076298, now seen corresponding path program 1 times [2023-11-23 21:24:17,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:17,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943580053] [2023-11-23 21:24:17,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:17,547 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 21:24:17,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:17,549 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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 21:24:17,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a31e40-0f89-4331-923b-befe74f6c34c/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 21:24:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:17,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 21:24:17,841 INFO L285 TraceCheckSpWp]: Computing forward predicates...