./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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_4039e106-b858-441a-aefc-0a1e0c309941/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 b8abcfa9b39036eb01256203f3de7401776f2c2310778484ae79c5f99d587f30 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:49,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:49,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:12:49,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:49,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:49,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:49,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:49,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:49,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:49,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:49,327 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:49,328 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:49,328 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:49,330 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:49,330 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:49,330 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:49,331 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:49,331 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:49,332 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:49,332 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:49,334 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:49,334 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:49,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:49,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:49,336 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:12:49,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:49,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:12:49,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:49,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:49,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:49,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:49,339 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:12:49,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:49,340 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:49,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:49,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:49,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:49,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:49,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:49,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:49,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:49,342 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:49,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:49,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:49,343 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:49,343 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:49,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:49,343 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_4039e106-b858-441a-aefc-0a1e0c309941/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8abcfa9b39036eb01256203f3de7401776f2c2310778484ae79c5f99d587f30 [2023-11-23 21:12:49,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:49,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:49,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:49,709 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:49,710 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:49,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i [2023-11-23 21:12:53,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:53,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:53,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i [2023-11-23 21:12:53,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/data/3165c72fb/f4c0c7be73624c09ba2d18d3fea61857/FLAGf09ca0039 [2023-11-23 21:12:53,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/data/3165c72fb/f4c0c7be73624c09ba2d18d3fea61857 [2023-11-23 21:12:53,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:53,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:53,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:53,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:53,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:53,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a58390f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53, skipping insertion in model container [2023-11-23 21:12:53,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,541 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:53,731 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_4039e106-b858-441a-aefc-0a1e0c309941/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i[913,926] [2023-11-23 21:12:53,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:53,815 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:53,828 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_4039e106-b858-441a-aefc-0a1e0c309941/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i[913,926] [2023-11-23 21:12:53,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:53,887 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:53,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53 WrapperNode [2023-11-23 21:12:53,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:53,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:53,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:53,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:53,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,955 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-23 21:12:53,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:53,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:53,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:53,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:53,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:53,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:53,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:53,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:53,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:53,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (1/1) ... [2023-11-23 21:12:54,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:54,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:54,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:54,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:54,195 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:54,198 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:54,761 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:55,177 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:55,178 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:55,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:55 BoogieIcfgContainer [2023-11-23 21:12:55,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:55,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:55,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:55,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:55,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:53" (1/3) ... [2023-11-23 21:12:55,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db16039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:55, skipping insertion in model container [2023-11-23 21:12:55,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:53" (2/3) ... [2023-11-23 21:12:55,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db16039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:55, skipping insertion in model container [2023-11-23 21:12:55,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:55" (3/3) ... [2023-11-23 21:12:55,195 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-62.i [2023-11-23 21:12:55,225 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:55,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:55,319 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:55,328 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;@54507ab8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:55,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:55,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:12:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 21:12:55,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:55,356 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:55,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:55,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:55,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1600783724, now seen corresponding path program 1 times [2023-11-23 21:12:55,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:55,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197316135] [2023-11-23 21:12:55,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:55,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:55,706 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:12:55,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1670346400] [2023-11-23 21:12:55,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:55,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:55,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:55,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:12:55,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:12:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:56,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:12:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:56,530 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:12:56,533 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:12:56,535 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:12:56,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:56,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:12:56,752 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:12:56,756 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:12:56,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:12:56 BoogieIcfgContainer [2023-11-23 21:12:56,906 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:12:56,907 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:12:56,907 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:12:56,908 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:12:56,909 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:55" (3/4) ... [2023-11-23 21:12:56,912 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:12:56,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:12:56,916 INFO L158 Benchmark]: Toolchain (without parser) took 3421.30ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 73.2MB in the beginning and 110.6MB in the end (delta: -37.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-23 21:12:56,916 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:56,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.50ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 59.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:12:56,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.21ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 56.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:56,919 INFO L158 Benchmark]: Boogie Preprocessor took 40.33ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 55.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:56,920 INFO L158 Benchmark]: RCFGBuilder took 1183.13ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 54.8MB in the beginning and 102.3MB in the end (delta: -47.4MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-23 21:12:56,920 INFO L158 Benchmark]: TraceAbstraction took 1722.14ms. Allocated memory is still 165.7MB. Free memory was 101.1MB in the beginning and 110.6MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:56,921 INFO L158 Benchmark]: Witness Printer took 6.57ms. Allocated memory is still 165.7MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:56,935 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 117.4MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.50ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 59.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.21ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 56.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.33ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 55.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1183.13ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 54.8MB in the beginning and 102.3MB in the end (delta: -47.4MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1722.14ms. Allocated memory is still 165.7MB. Free memory was 101.1MB in the beginning and 110.6MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.57ms. Allocated memory is still 165.7MB. Free memory is still 110.6MB. 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 132, overapproximation of bitwiseOr at line 77, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.25; [L23] signed long int var_1_2 = 1; [L24] signed long int var_1_3 = -25; [L25] signed long int var_1_4 = -128; [L26] signed long int var_1_5 = 8; [L27] double var_1_6 = 2.75; [L28] double var_1_7 = 24.5; [L29] double var_1_8 = 199.5; [L30] float var_1_9 = 32.8; [L31] unsigned char var_1_10 = 1; [L32] float var_1_11 = 15.4; [L33] float var_1_12 = 0.0; [L34] unsigned long int var_1_13 = 2; [L35] unsigned long int var_1_14 = 8; [L36] unsigned long int var_1_15 = 1; [L37] float var_1_16 = 127.6; [L38] signed long int var_1_17 = 128; [L39] signed long int var_1_18 = 5; [L40] unsigned char var_1_19 = 10; [L41] unsigned char var_1_20 = 0; [L42] unsigned char var_1_21 = 64; [L43] double var_1_22 = 15.95; [L44] unsigned long int var_1_23 = 4127848294; [L136] isInitial = 1 [L137] FCALL initially() [L138] COND TRUE 1 [L139] FCALL updateLastVariables() [L140] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] var_1_3 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L88] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L89] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L90] var_1_4 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L92] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L93] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L94] var_1_5 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L96] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L97] var_1_6 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L99] var_1_7 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_8=399/2, var_1_9=164/5] [L101] var_1_8 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L103] var_1_10 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L105] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L106] var_1_11 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L108] var_1_12 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L110] var_1_14 = __VERIFIER_nondet_ulong() [L111] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L112] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L113] var_1_15 = __VERIFIER_nondet_ulong() [L114] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L115] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L116] var_1_18 = __VERIFIER_nondet_long() [L117] CALL assume_abort_if_not(var_1_18 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_18 >= -2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L118] CALL assume_abort_if_not(var_1_18 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_18 <= 2147483646) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L119] var_1_20 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L121] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L122] var_1_21 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L124] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L125] var_1_23 = __VERIFIER_nondet_ulong() [L126] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L127] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=2147483647, var_1_16=638/5, var_1_17=128, var_1_18=0, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_9=164/5] [L140] RET updateVariables() [L141] CALL step() [L48] COND TRUE var_1_2 > ((var_1_3 % var_1_4) * var_1_5) [L49] var_1_1 = (var_1_6 - (var_1_7 + var_1_8)) [L53] COND TRUE var_1_10 || (var_1_2 == var_1_5) [L54] var_1_9 = ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)) [L58] COND FALSE !(! var_1_10) [L61] var_1_13 = (var_1_14 + var_1_15) [L63] COND FALSE !(var_1_12 <= (var_1_7 * 5.8f)) [L66] var_1_16 = var_1_6 [L68] COND TRUE var_1_8 < (var_1_1 / var_1_12) [L69] COND FALSE !(var_1_1 > var_1_6) [L73] COND TRUE var_1_10 || var_1_20 [L74] var_1_19 = ((((var_1_21) > (32)) ? (var_1_21) : (32))) [L76] COND TRUE \read(var_1_10) [L77] EXPR var_1_18 | var_1_14 [L77] COND TRUE (var_1_18 | var_1_14) != (var_1_23 - var_1_15) [L78] var_1_22 = 4.75 [L141] RET step() [L142] CALL, EXPR property() [L132] EXPR (((((((var_1_2 > ((var_1_3 % var_1_4) * var_1_5)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_2 == var_1_5)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_14))) : (var_1_13 == ((unsigned long int) (var_1_14 + var_1_15))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_1 / var_1_12)) ? ((var_1_1 > var_1_6) ? (var_1_17 == ((signed long int) var_1_18)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_18 | var_1_14) != (var_1_23 - var_1_15)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) [L132-L133] return (((((((var_1_2 > ((var_1_3 % var_1_4) * var_1_5)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_2 == var_1_5)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_14))) : (var_1_13 == ((unsigned long int) (var_1_14 + var_1_15))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_1 / var_1_12)) ? ((var_1_1 > var_1_6) ? (var_1_17 == ((signed long int) var_1_18)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_18 | var_1_14) != (var_1_23 - var_1_15)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) ; [L142] RET, EXPR property() [L142] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=2147483648, var_1_14=1, var_1_15=2147483647, var_1_16=2, var_1_17=128, var_1_18=0, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=19/4, var_1_23=2147483647, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_6=2, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=2147483648, var_1_14=1, var_1_15=2147483647, var_1_16=2, var_1_17=128, var_1_18=0, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=19/4, var_1_23=2147483647, var_1_2=-2147483647, var_1_3=7, var_1_4=5, var_1_5=-1073741824, var_1_6=2, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 29, 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=54occurred 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, 107 NumberOfCodeBlocks, 107 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 21:12:57,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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_4039e106-b858-441a-aefc-0a1e0c309941/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 b8abcfa9b39036eb01256203f3de7401776f2c2310778484ae79c5f99d587f30 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:00,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:00,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:13:00,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:00,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:00,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:00,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:00,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:00,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:00,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:00,527 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:00,528 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:00,528 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:00,530 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:00,531 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:00,532 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:00,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:00,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:00,534 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:13:00,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:13:00,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:00,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:00,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:00,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:00,538 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:13:00,539 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:13:00,539 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:13:00,540 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:13:00,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:00,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:00,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:00,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:13:00,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:00,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:00,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:00,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:00,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:00,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:00,545 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:13:00,546 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:13:00,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:00,547 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:00,547 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:00,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:00,548 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_4039e106-b858-441a-aefc-0a1e0c309941/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8abcfa9b39036eb01256203f3de7401776f2c2310778484ae79c5f99d587f30 [2023-11-23 21:13:01,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:01,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:01,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:01,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:01,085 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:01,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i [2023-11-23 21:13:04,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:05,029 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:05,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i [2023-11-23 21:13:05,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/data/4b9bb3b5d/780b7ce4b8f54a3fa3a3d307db850e82/FLAG5d666da8d [2023-11-23 21:13:05,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/data/4b9bb3b5d/780b7ce4b8f54a3fa3a3d307db850e82 [2023-11-23 21:13:05,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:05,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:05,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:05,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:05,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:05,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130abfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05, skipping insertion in model container [2023-11-23 21:13:05,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:05,341 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_4039e106-b858-441a-aefc-0a1e0c309941/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i[913,926] [2023-11-23 21:13:05,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:05,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:05,462 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_4039e106-b858-441a-aefc-0a1e0c309941/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-62.i[913,926] [2023-11-23 21:13:05,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:05,535 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:05,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05 WrapperNode [2023-11-23 21:13:05,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:05,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:05,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:05,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:05,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,629 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-23 21:13:05,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:05,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:05,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:05,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:05,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:05,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:05,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:05,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:05,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (1/1) ... [2023-11-23 21:13:05,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:05,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:05,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:05,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:13:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:05,990 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:05,996 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:22,513 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:22,569 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:22,570 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:22,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:22 BoogieIcfgContainer [2023-11-23 21:13:22,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:22,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:22,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:22,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:22,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:05" (1/3) ... [2023-11-23 21:13:22,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc78157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:22, skipping insertion in model container [2023-11-23 21:13:22,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:05" (2/3) ... [2023-11-23 21:13:22,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc78157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:22, skipping insertion in model container [2023-11-23 21:13:22,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:22" (3/3) ... [2023-11-23 21:13:22,582 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-62.i [2023-11-23 21:13:22,605 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:22,606 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:22,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:22,672 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;@38ff59ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:22,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:22,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:13:22,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-23 21:13:22,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:22,698 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:22,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:22,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:22,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1291031870, now seen corresponding path program 1 times [2023-11-23 21:13:22,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:22,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978927022] [2023-11-23 21:13:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:22,722 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 21:13:22,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:22,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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 21:13:22,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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 21:13:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:24,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:13:24,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-23 21:13:24,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:24,859 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:24,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978927022] [2023-11-23 21:13:24,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978927022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:24,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:24,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:13:24,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262078563] [2023-11-23 21:13:24,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:24,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:13:24,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:24,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:13:24,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:13:24,904 INFO L87 Difference]: Start difference. First operand has 67 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:13:27,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:27,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:27,544 INFO L93 Difference]: Finished difference Result 131 states and 241 transitions. [2023-11-23 21:13:27,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:13:27,763 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 173 [2023-11-23 21:13:27,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:27,771 INFO L225 Difference]: With dead ends: 131 [2023-11-23 21:13:27,772 INFO L226 Difference]: Without dead ends: 65 [2023-11-23 21:13:27,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 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 21:13:27,780 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:27,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2023-11-23 21:13:27,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-23 21:13:27,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-23 21:13:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:13:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 102 transitions. [2023-11-23 21:13:27,834 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 102 transitions. Word has length 173 [2023-11-23 21:13:27,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:27,835 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 102 transitions. [2023-11-23 21:13:27,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:13:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2023-11-23 21:13:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-23 21:13:27,841 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:27,842 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:27,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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 21:13:28,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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 21:13:28,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:28,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:28,072 INFO L85 PathProgramCache]: Analyzing trace with hash 674804732, now seen corresponding path program 1 times [2023-11-23 21:13:28,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:28,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802642082] [2023-11-23 21:13:28,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:28,074 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 21:13:28,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:28,075 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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 21:13:28,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4039e106-b858-441a-aefc-0a1e0c309941/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 21:13:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:32,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-23 21:13:32,182 INFO L285 TraceCheckSpWp]: Computing forward predicates...