./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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 f54764d92324579175129cff81b75b12b435de643e9d08601cad3992eb80719b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:10,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:10,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:32:10,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:10,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:11,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:11,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:11,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:11,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:11,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:11,045 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:11,046 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:11,047 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:11,049 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:11,049 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:11,050 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:11,050 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:11,051 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:11,051 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:11,052 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:11,054 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:11,055 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:11,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:11,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:11,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:11,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:11,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:11,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:11,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:11,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:11,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:11,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:11,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:11,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:11,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:11,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:11,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:11,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:11,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:11,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:11,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:11,066 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:11,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:11,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:11,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:11,068 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:11,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:11,069 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_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f54764d92324579175129cff81b75b12b435de643e9d08601cad3992eb80719b [2023-11-23 21:32:11,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:11,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:11,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:11,452 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:11,453 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:11,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i [2023-11-23 21:32:14,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:15,132 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:15,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i [2023-11-23 21:32:15,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/data/468e7bd85/1ac353b2d7bb463b8efac8297c349efd/FLAG51d635739 [2023-11-23 21:32:15,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/data/468e7bd85/1ac353b2d7bb463b8efac8297c349efd [2023-11-23 21:32:15,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:15,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:15,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:15,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:15,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:15,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b86271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15, skipping insertion in model container [2023-11-23 21:32:15,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:15,427 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_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i[917,930] [2023-11-23 21:32:15,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:15,510 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:15,526 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_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i[917,930] [2023-11-23 21:32:15,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:15,578 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:15,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15 WrapperNode [2023-11-23 21:32:15,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:15,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:15,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:15,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:15,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,653 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2023-11-23 21:32:15,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:15,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:15,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:15,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:15,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:15,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:15,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:15,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:15,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (1/1) ... [2023-11-23 21:32:15,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:15,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:15,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:15,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:15,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:15,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:15,976 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:15,979 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:16,572 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:16,953 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:16,953 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:16,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:16 BoogieIcfgContainer [2023-11-23 21:32:16,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:16,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:16,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:16,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:16,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:15" (1/3) ... [2023-11-23 21:32:16,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a3e57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:16, skipping insertion in model container [2023-11-23 21:32:16,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:15" (2/3) ... [2023-11-23 21:32:16,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a3e57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:16, skipping insertion in model container [2023-11-23 21:32:16,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:16" (3/3) ... [2023-11-23 21:32:16,970 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-67.i [2023-11-23 21:32:16,995 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:16,996 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:17,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:17,063 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;@2bbfdd9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:17,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:17,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:32:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:32:17,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:17,084 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:17,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:17,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:17,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1048707354, now seen corresponding path program 1 times [2023-11-23 21:32:17,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:17,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402033660] [2023-11-23 21:32:17,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:17,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:17,360 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:32:17,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1003835596] [2023-11-23 21:32:17,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:17,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:17,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:17,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:32:17,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:32:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:17,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:32:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:17,913 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:32:17,915 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:32:17,917 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:32:17,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:18,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:32:18,131 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:32:18,134 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:32:18,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:18 BoogieIcfgContainer [2023-11-23 21:32:18,277 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:32:18,277 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:32:18,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:32:18,278 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:32:18,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:16" (3/4) ... [2023-11-23 21:32:18,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:32:18,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:32:18,284 INFO L158 Benchmark]: Toolchain (without parser) took 3107.21ms. Allocated memory is still 165.7MB. Free memory was 121.3MB in the beginning and 130.7MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:18,284 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory was 76.9MB in the beginning and 76.7MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:18,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.67ms. Allocated memory is still 165.7MB. Free memory was 121.3MB in the beginning and 107.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:32:18,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.92ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 104.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:32:18,287 INFO L158 Benchmark]: Boogie Preprocessor took 84.66ms. Allocated memory is still 165.7MB. Free memory was 104.5MB in the beginning and 102.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:18,288 INFO L158 Benchmark]: RCFGBuilder took 1204.99ms. Allocated memory is still 165.7MB. Free memory was 102.9MB in the beginning and 112.8MB in the end (delta: -9.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2023-11-23 21:32:18,289 INFO L158 Benchmark]: TraceAbstraction took 1318.48ms. Allocated memory is still 165.7MB. Free memory was 112.8MB in the beginning and 130.7MB in the end (delta: -17.9MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:18,290 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 165.7MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:18,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory was 76.9MB in the beginning and 76.7MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.67ms. Allocated memory is still 165.7MB. Free memory was 121.3MB in the beginning and 107.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.92ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 104.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.66ms. Allocated memory is still 165.7MB. Free memory was 104.5MB in the beginning and 102.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1204.99ms. Allocated memory is still 165.7MB. Free memory was 102.9MB in the beginning and 112.8MB in the end (delta: -9.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1318.48ms. Allocated memory is still 165.7MB. Free memory was 112.8MB in the beginning and 130.7MB in the end (delta: -17.9MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 165.7MB. Free memory is still 130.7MB. 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 61, overapproximation of bitwiseOr at line 62, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 57, overapproximation of someUnaryFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9.75; [L23] signed long int var_1_2 = 100; [L24] unsigned char var_1_3 = 1; [L25] signed long int var_1_4 = 25; [L26] signed long int var_1_5 = 10; [L27] unsigned char var_1_6 = 1; [L28] float var_1_7 = 7.5; [L29] signed long int var_1_8 = -1000; [L30] float var_1_9 = 9.25; [L31] float var_1_10 = 64.5; [L32] float var_1_11 = 16.25; [L33] signed char var_1_12 = 2; [L34] signed char var_1_13 = 8; [L35] signed char var_1_14 = 0; [L36] float var_1_15 = 0.6; [L37] signed char var_1_16 = 32; [L38] unsigned short int var_1_17 = 2; [L39] unsigned char var_1_18 = 1; [L40] unsigned short int var_1_19 = 63241; [L41] unsigned short int var_1_20 = 58697; [L42] unsigned short int var_1_21 = 25516; [L43] unsigned long int var_1_22 = 3301682525; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L94] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L98] var_1_5 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L100] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L101] var_1_6 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L103] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L104] var_1_8 = __VERIFIER_nondet_long() [L105] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12, var_1_9=37/4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12, var_1_9=37/4] [L106] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12, var_1_9=37/4] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12, var_1_9=37/4] [L107] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12, var_1_9=37/4] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12, var_1_9=37/4] [L108] var_1_9 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L110] var_1_10 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L112] var_1_11 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L114] var_1_13 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L116] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L117] var_1_14 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L119] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L120] var_1_18 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L122] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L123] var_1_19 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_19 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_19 >= 32767) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L125] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L126] var_1_20 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L128] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L129] var_1_21 = __VERIFIER_nondet_ushort() [L130] CALL assume_abort_if_not(var_1_21 >= 24575) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_21 >= 24575) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L131] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L132] var_1_22 = __VERIFIER_nondet_ulong() [L133] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L134] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=15/2, var_1_8=12] [L147] RET updateVariables() [L148] CALL step() [L47] COND TRUE 50 != var_1_2 [L48] var_1_1 = (1.00000000000025E12 - 24.25) [L50] var_1_3 = (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6) [L51] signed long int stepLocal_1 = (var_1_2 + 100) / var_1_8; [L52] unsigned char stepLocal_0 = var_1_3; [L53] COND TRUE stepLocal_1 >= var_1_5 [L54] COND TRUE stepLocal_0 || (var_1_5 > (var_1_4 * var_1_8)) [L55] var_1_7 = var_1_9 [L60] var_1_12 = (var_1_13 - var_1_14) [L61] var_1_15 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) [L62] EXPR ((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2 [L62] signed long int stepLocal_2 = ((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2; [L63] COND TRUE var_1_1 > (var_1_11 + var_1_7) [L64] COND FALSE !(var_1_14 < stepLocal_2) [L69] var_1_16 = var_1_13 [L72] unsigned long int stepLocal_3 = var_1_22 - var_1_20; [L73] COND TRUE \read(var_1_3) [L74] COND TRUE \read(var_1_6) [L75] COND FALSE !(\read(var_1_18)) [L78] var_1_17 = (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256)) [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR ((((((50 != var_1_2) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6)))) && ((((var_1_2 + 100) / var_1_8) >= var_1_5) ? ((var_1_3 || (var_1_5 > (var_1_4 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((var_1_1 > (var_1_11 + var_1_7)) ? ((var_1_14 < (((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2)) ? (var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1) [L139-L140] return (((((((50 != var_1_2) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6)))) && ((((var_1_2 + 100) / var_1_8) >= var_1_5) ? ((var_1_3 || (var_1_5 > (var_1_4 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((var_1_1 > (var_1_11 + var_1_7)) ? ((var_1_14 < (((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2)) ? (var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1)) && (var_1_3 ? (var_1_6 ? (var_1_18 ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256))))) : (((var_1_22 - var_1_20) > (var_1_4 / var_1_8)) ? ((var_1_15 >= var_1_10) ? (var_1_17 == ((unsigned short int) var_1_14)) : 1) : 1)) : (var_1_17 == ((unsigned short int) var_1_21))) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=3, var_1_16=32, var_1_17=24575, var_1_18=0, var_1_19=48638, var_1_1=0, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=12, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=3, var_1_16=32, var_1_17=24575, var_1_18=0, var_1_19=48638, var_1_1=0, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-88, var_1_3=1, var_1_4=37, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=12, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 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 21:32:18,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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 f54764d92324579175129cff81b75b12b435de643e9d08601cad3992eb80719b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:21,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:21,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:32:21,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:21,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:21,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:21,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:21,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:21,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:21,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:21,323 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:21,324 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:21,324 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:21,326 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:21,327 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:21,327 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:21,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:21,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:21,329 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:21,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:21,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:21,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:21,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:21,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:21,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:32:21,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:32:21,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:32:21,333 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:21,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:21,334 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:21,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:21,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:32:21,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:21,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:21,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:21,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:21,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:21,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:21,338 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:32:21,339 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:21,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:21,339 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:21,340 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:21,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:21,340 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_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f54764d92324579175129cff81b75b12b435de643e9d08601cad3992eb80719b [2023-11-23 21:32:21,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:21,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:21,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:21,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:21,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:21,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i [2023-11-23 21:32:25,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:25,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:25,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i [2023-11-23 21:32:25,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/data/113371d6b/c840ad5b4f544f81af3aae0c4faba1f9/FLAG703d937d3 [2023-11-23 21:32:25,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/data/113371d6b/c840ad5b4f544f81af3aae0c4faba1f9 [2023-11-23 21:32:25,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:25,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:25,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:25,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:25,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:25,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:25,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae9bed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25, skipping insertion in model container [2023-11-23 21:32:25,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:25,452 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:25,664 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_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i[917,930] [2023-11-23 21:32:25,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:25,759 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:25,805 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_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i[917,930] [2023-11-23 21:32:25,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:25,927 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:25,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25 WrapperNode [2023-11-23 21:32:25,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:25,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:25,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:25,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:25,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:25,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:26,001 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-23 21:32:26,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:26,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:26,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:26,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:26,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:26,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:26,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:26,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:26,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:26,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:26,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:26,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:26,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:26,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:26,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:26,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:26,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (1/1) ... [2023-11-23 21:32:26,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:26,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:26,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:26,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:32:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:26,256 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:26,259 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:29,313 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:29,357 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:29,358 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:29,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:29 BoogieIcfgContainer [2023-11-23 21:32:29,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:29,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:29,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:29,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:29,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:25" (1/3) ... [2023-11-23 21:32:29,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de720bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:29, skipping insertion in model container [2023-11-23 21:32:29,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:25" (2/3) ... [2023-11-23 21:32:29,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de720bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:29, skipping insertion in model container [2023-11-23 21:32:29,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:29" (3/3) ... [2023-11-23 21:32:29,391 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-67.i [2023-11-23 21:32:29,407 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:29,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:29,454 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:29,460 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;@737d00f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:29,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:32:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-23 21:32:29,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:29,484 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:29,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:29,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:29,490 INFO L85 PathProgramCache]: Analyzing trace with hash 905056768, now seen corresponding path program 1 times [2023-11-23 21:32:29,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:29,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366726419] [2023-11-23 21:32:29,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:29,502 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 21:32:29,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:29,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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 21:32:29,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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 21:32:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:29,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:32:29,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:29,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-23 21:32:29,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:29,936 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:29,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366726419] [2023-11-23 21:32:29,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366726419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:29,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:29,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:32:29,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331706236] [2023-11-23 21:32:29,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:29,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:32:29,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:29,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:32:29,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:32:29,996 INFO L87 Difference]: Start difference. First operand has 70 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:32:31,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:31,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:31,197 INFO L93 Difference]: Finished difference Result 137 states and 248 transitions. [2023-11-23 21:32:31,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:32:31,219 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 167 [2023-11-23 21:32:31,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:31,228 INFO L225 Difference]: With dead ends: 137 [2023-11-23 21:32:31,228 INFO L226 Difference]: Without dead ends: 68 [2023-11-23 21:32:31,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 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 21:32:31,235 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:31,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 21:32:31,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-23 21:32:31,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-23 21:32:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:32:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 106 transitions. [2023-11-23 21:32:31,312 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 106 transitions. Word has length 167 [2023-11-23 21:32:31,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:31,313 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 106 transitions. [2023-11-23 21:32:31,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:32:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 106 transitions. [2023-11-23 21:32:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-23 21:32:31,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:31,328 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:31,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:31,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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 21:32:31,541 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:31,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:31,542 INFO L85 PathProgramCache]: Analyzing trace with hash 395101320, now seen corresponding path program 1 times [2023-11-23 21:32:31,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:31,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361434168] [2023-11-23 21:32:31,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:31,543 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 21:32:31,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:31,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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 21:32:31,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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 21:32:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:31,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:32:31,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:32,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-23 21:32:32,867 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:32:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:32:33,463 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:33,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361434168] [2023-11-23 21:32:33,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361434168] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:32:33,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [289450598] [2023-11-23 21:32:33,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:33,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:33,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:32:33,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:32:33,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:32:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:34,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:32:34,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:35,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-23 21:32:35,464 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:32:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:32:35,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [289450598] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:32:35,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874842827] [2023-11-23 21:32:35,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:35,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:35,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:35,931 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:32:35,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:32:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:36,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:32:36,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 566 proven. 120 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2023-11-23 21:32:37,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:32:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 21:32:38,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874842827] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:32:38,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:32:38,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 9, 6] total 12 [2023-11-23 21:32:38,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942974431] [2023-11-23 21:32:38,238 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:32:38,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 21:32:38,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:38,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 21:32:38,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:32:38,245 INFO L87 Difference]: Start difference. First operand 68 states and 106 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-11-23 21:32:40,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:40,905 INFO L93 Difference]: Finished difference Result 143 states and 215 transitions. [2023-11-23 21:32:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:32:40,929 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 167 [2023-11-23 21:32:40,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:40,932 INFO L225 Difference]: With dead ends: 143 [2023-11-23 21:32:40,932 INFO L226 Difference]: Without dead ends: 76 [2023-11-23 21:32:40,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1007 GetRequests, 985 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2023-11-23 21:32:40,936 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 118 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:40,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 198 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:32:40,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-23 21:32:40,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2023-11-23 21:32:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 42 states have internal predecessors, (49), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:32:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2023-11-23 21:32:40,959 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 167 [2023-11-23 21:32:40,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:40,961 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2023-11-23 21:32:40,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-11-23 21:32:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2023-11-23 21:32:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-23 21:32:40,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:40,965 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:40,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-23 21:32:41,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:41,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:41,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:41,573 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:41,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:41,574 INFO L85 PathProgramCache]: Analyzing trace with hash 913545758, now seen corresponding path program 1 times [2023-11-23 21:32:41,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:41,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065619094] [2023-11-23 21:32:41,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:41,575 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 21:32:41,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:41,577 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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 21:32:41,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ba2b3f-d4e6-44b6-9db3-e9f7b2ee0632/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 (6)] Waiting until timeout for monitored process [2023-11-23 21:32:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:42,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 21:32:42,049 INFO L285 TraceCheckSpWp]: Computing forward predicates...