./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ --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 c3a6df6a73687e4aa8bc49b1967f911266412674580da78e9d3bef4ed770909f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:37,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:38,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:01:38,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:38,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:38,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:38,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:38,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:38,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:38,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:38,155 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:38,155 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:38,156 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:38,158 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:01:38,159 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:38,159 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:38,161 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:01:38,164 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:01:38,164 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:38,165 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:01:38,167 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:01:38,168 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:01:38,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:38,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:38,169 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:01:38,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:01:38,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:01:38,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:38,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:38,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:38,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:38,172 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:01:38,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:38,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:38,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:38,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:38,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:38,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:38,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:38,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:38,174 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:01:38,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:01:38,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:38,196 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:38,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:38,197 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_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3a6df6a73687e4aa8bc49b1967f911266412674580da78e9d3bef4ed770909f [2023-11-19 05:01:38,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:38,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:38,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:38,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:38,469 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:38,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i [2023-11-19 05:01:41,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:41,932 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:41,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i [2023-11-19 05:01:41,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/data/40a967a05/31b67a6f23184b8485bd33496a2fc178/FLAG297088e95 [2023-11-19 05:01:41,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/data/40a967a05/31b67a6f23184b8485bd33496a2fc178 [2023-11-19 05:01:41,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:41,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:41,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:41,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:41,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:41,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:41" (1/1) ... [2023-11-19 05:01:41,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b858e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:41, skipping insertion in model container [2023-11-19 05:01:41,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:41" (1/1) ... [2023-11-19 05:01:42,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:42,213 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_938e31f8-52cc-4385-8cfe-e7d7d41d8435/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i[913,926] [2023-11-19 05:01:42,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:42,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:01:42,304 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_938e31f8-52cc-4385-8cfe-e7d7d41d8435/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i[913,926] [2023-11-19 05:01:42,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:42,365 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:01:42,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42 WrapperNode [2023-11-19 05:01:42,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:42,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:42,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:01:42,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:01:42,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,449 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2023-11-19 05:01:42,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:42,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:01:42,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:01:42,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:01:42,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:01:42,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:01:42,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:01:42,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:01:42,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (1/1) ... [2023-11-19 05:01:42,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:42,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:42,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:01:42,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:01:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:01:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:01:42,642 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:01:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:01:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:01:42,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:01:42,765 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:01:42,768 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:01:43,224 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:01:43,536 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:01:43,536 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:01:43,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:43 BoogieIcfgContainer [2023-11-19 05:01:43,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:01:43,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:01:43,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:01:43,551 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:01:43,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:41" (1/3) ... [2023-11-19 05:01:43,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c584a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:43, skipping insertion in model container [2023-11-19 05:01:43,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:42" (2/3) ... [2023-11-19 05:01:43,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c584a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:43, skipping insertion in model container [2023-11-19 05:01:43,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:43" (3/3) ... [2023-11-19 05:01:43,557 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-35.i [2023-11-19 05:01:43,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:01:43,577 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:01:43,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:01:43,629 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;@6611bafb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:01:43,629 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:01:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:01:43,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 05:01:43,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:43,646 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:43,646 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:43,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:43,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1705930983, now seen corresponding path program 1 times [2023-11-19 05:01:43,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:43,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424791840] [2023-11-19 05:01:43,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:43,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:43,920 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:01:43,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1498023352] [2023-11-19 05:01:43,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:43,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:43,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:43,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:01:43,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:01:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:01:44,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:01:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:01:44,432 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:01:44,435 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:01:44,441 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:01:44,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:01:44,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:44,669 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:01:44,679 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:01:44,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:01:44 BoogieIcfgContainer [2023-11-19 05:01:44,852 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:01:44,853 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:01:44,853 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:01:44,853 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:01:44,854 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:43" (3/4) ... [2023-11-19 05:01:44,856 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:01:44,857 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:01:44,858 INFO L158 Benchmark]: Toolchain (without parser) took 2879.59ms. Allocated memory is still 155.2MB. Free memory was 126.5MB in the beginning and 118.1MB in the end (delta: 8.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-19 05:01:44,858 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:01:44,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.82ms. Allocated memory is still 155.2MB. Free memory was 126.5MB in the beginning and 112.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:01:44,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.82ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 109.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:01:44,860 INFO L158 Benchmark]: Boogie Preprocessor took 52.61ms. Allocated memory is still 155.2MB. Free memory was 109.2MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:01:44,861 INFO L158 Benchmark]: RCFGBuilder took 1035.36ms. Allocated memory is still 155.2MB. Free memory was 107.1MB in the beginning and 102.4MB in the end (delta: 4.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-19 05:01:44,862 INFO L158 Benchmark]: TraceAbstraction took 1304.10ms. Allocated memory is still 155.2MB. Free memory was 101.7MB in the beginning and 119.1MB in the end (delta: -17.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-19 05:01:44,862 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 118.1MB in the end (delta: 929.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:01:44,866 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.82ms. Allocated memory is still 155.2MB. Free memory was 126.5MB in the beginning and 112.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.82ms. Allocated memory is still 155.2MB. Free memory was 112.2MB in the beginning and 109.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.61ms. Allocated memory is still 155.2MB. Free memory was 109.2MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1035.36ms. Allocated memory is still 155.2MB. Free memory was 107.1MB in the beginning and 102.4MB in the end (delta: 4.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1304.10ms. Allocated memory is still 155.2MB. Free memory was 101.7MB in the beginning and 119.1MB in the end (delta: -17.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 118.1MB in the end (delta: 929.2kB). 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 77, overapproximation of shiftRight at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someUnaryFLOAToperation at line 77, overapproximation of someBinaryArithmeticFLOAToperation at line 77. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned short int var_1_6 = 25; [L28] signed char var_1_7 = 5; [L29] signed char var_1_8 = -5; [L30] double var_1_9 = 999.625; [L31] double var_1_10 = 5.06; [L32] unsigned short int var_1_11 = 5; [L33] signed short int var_1_12 = 2; [L34] signed long int var_1_13 = -256; [L35] double var_1_14 = 127.75; [L36] double var_1_15 = 9.75; [L37] float var_1_16 = 32.8; [L38] float var_1_17 = 32.5; [L39] float var_1_18 = 1.75; [L40] float var_1_19 = 1000000000000000.4; [L41] float var_1_20 = 0.875; [L42] unsigned char var_1_21 = 0; [L43] unsigned char var_1_22 = 0; [L44] signed short int var_1_23 = 64; [L45] signed short int var_1_24 = 25; [L46] signed short int var_1_25 = 0; [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] FCALL updateLastVariables() [L144] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L90] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L91] var_1_3 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_3 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 >= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L93] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L94] var_1_4 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L96] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L97] var_1_5 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L99] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=5, var_1_8=-5, var_1_9=7997/8] [L100] var_1_7 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_7 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 >= -128) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=-5, var_1_9=7997/8] [L102] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=-5, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=-5, var_1_9=7997/8] [L103] var_1_8 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_8 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_8 >= -128) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=7997/8] [L105] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=7997/8] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=7997/8] [L106] var_1_9 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=253/50, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L108] var_1_10 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=5, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L110] var_1_11 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L112] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=39/4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L113] var_1_15 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=65/2, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L115] var_1_17 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=7/4, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L117] var_1_18 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=5000000000000002/5, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L119] var_1_19 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=7/8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L121] var_1_20 = __VERIFIER_nondet_float() [L122] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=0, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L123] var_1_22 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L125] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=25, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L126] var_1_24 = __VERIFIER_nondet_short() [L127] CALL assume_abort_if_not(var_1_24 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_24 >= -1) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L128] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L129] var_1_25 = __VERIFIER_nondet_short() [L130] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L131] CALL assume_abort_if_not(var_1_25 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_25 <= 32766) VAL [isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=511/4, var_1_15=4, var_1_16=164/5, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=1, var_1_20=8, var_1_21=0, var_1_22=1, var_1_23=64, var_1_24=-1, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=25, var_1_7=2, var_1_8=0, var_1_9=2] [L144] RET updateVariables() [L145] CALL step() [L50] COND TRUE \read(var_1_2) [L51] var_1_1 = ((! var_1_3) || var_1_4) [L55] COND TRUE var_1_7 >= var_1_8 [L56] COND FALSE !((var_1_9 - 1.00000000000025E12) >= var_1_10) [L59] var_1_6 = var_1_11 [L64] COND FALSE !(var_1_11 > var_1_6) [L67] COND TRUE var_1_12 == var_1_7 [L68] COND FALSE !(! var_1_3) [L72] EXPR var_1_11 >> var_1_8 [L72] COND TRUE (var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12) [L73] var_1_14 = var_1_15 [L77] var_1_16 = (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))))) [L78] COND TRUE var_1_11 == var_1_6 [L79] var_1_21 = ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)) [L81] COND TRUE var_1_18 > var_1_9 [L82] var_1_23 = (((((var_1_24 - var_1_25)) > (var_1_7)) ? ((var_1_24 - var_1_25)) : (var_1_7))) [L145] RET step() [L146] CALL, EXPR property() [L136] EXPR ((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) [L136] EXPR var_1_11 >> var_1_8 [L136] EXPR ((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15))) [L136-L137] return (((((((var_1_2 ? (var_1_1 == ((unsigned char) ((! var_1_3) || var_1_4))) : (var_1_1 == ((unsigned char) (var_1_3 && var_1_5)))) && ((var_1_7 >= var_1_8) ? (((var_1_9 - 1.00000000000025E12) >= var_1_10) ? (var_1_6 == ((unsigned short int) 200)) : (var_1_6 == ((unsigned short int) var_1_11))) : (var_1_6 == ((unsigned short int) var_1_11)))) && ((var_1_11 > var_1_6) ? (var_1_12 == ((signed short int) 32)) : 1)) && ((var_1_12 == var_1_7) ? ((! var_1_3) ? (var_1_13 == ((signed long int) ((var_1_8 + var_1_12) + (var_1_11 - var_1_6)))) : 1) : 1)) && (((var_1_7 + var_1_6) < ((var_1_11 >> var_1_8) * var_1_12)) ? (var_1_14 == ((double) var_1_15)) : (var_1_14 == ((double) var_1_15)))) && (var_1_16 == ((float) (((((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) < 0 ) ? -((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20)))) : ((var_1_17 + var_1_18) + ((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))))))))) && ((var_1_11 == var_1_6) ? (var_1_21 == ((unsigned char) ((var_1_5 || var_1_3) && (var_1_1 || var_1_22)))) : 1)) && ((var_1_18 > var_1_9) ? (var_1_23 == ((signed short int) (((((var_1_24 - var_1_25)) > (var_1_7)) ? ((var_1_24 - var_1_25)) : (var_1_7))))) : (var_1_23 == ((signed short int) (var_1_7 + 1)))) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=0, var_1_20=8, var_1_21=1, var_1_22=1, var_1_23=2, var_1_24=-1, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=3, var_1_7=2, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=3, var_1_12=2, var_1_13=-256, var_1_14=4, var_1_15=4, var_1_16=9, var_1_17=5, var_1_18=6, var_1_19=7, var_1_1=0, var_1_20=8, var_1_21=1, var_1_22=1, var_1_23=2, var_1_24=-1, var_1_25=0, var_1_2=1, var_1_3=1, var_1_4=0, var_1_5=1, var_1_6=3, var_1_7=2, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 27, 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=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 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 [2023-11-19 05:01:44,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ --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 c3a6df6a73687e4aa8bc49b1967f911266412674580da78e9d3bef4ed770909f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:47,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:47,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:01:47,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:47,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:47,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:47,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:47,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:47,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:47,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:47,768 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:47,768 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:47,768 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:47,770 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:47,770 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:47,771 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:47,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:47,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:47,773 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:01:47,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:01:47,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:47,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:47,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:47,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:47,775 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:01:47,776 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:01:47,776 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:01:47,776 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:01:47,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:47,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:47,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:47,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:01:47,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:47,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:47,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:47,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:47,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:47,780 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:01:47,780 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:01:47,781 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:47,782 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:47,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:47,782 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_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3a6df6a73687e4aa8bc49b1967f911266412674580da78e9d3bef4ed770909f [2023-11-19 05:01:48,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:48,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:48,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:48,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:48,230 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:48,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i [2023-11-19 05:01:51,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:51,911 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:51,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i [2023-11-19 05:01:51,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/data/151963400/f9e4de4d311c4cf19914b9adcde184e4/FLAG941d50b67 [2023-11-19 05:01:51,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/data/151963400/f9e4de4d311c4cf19914b9adcde184e4 [2023-11-19 05:01:51,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:51,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:51,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:51,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:51,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:51,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d843739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51, skipping insertion in model container [2023-11-19 05:01:51,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:52,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:52,171 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_938e31f8-52cc-4385-8cfe-e7d7d41d8435/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i[913,926] [2023-11-19 05:01:52,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:52,242 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:01:52,254 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_938e31f8-52cc-4385-8cfe-e7d7d41d8435/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-35.i[913,926] [2023-11-19 05:01:52,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:52,366 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:01:52,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52 WrapperNode [2023-11-19 05:01:52,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:52,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:52,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:01:52,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:01:52,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,448 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-11-19 05:01:52,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:52,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:01:52,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:01:52,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:01:52,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:01:52,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:01:52,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:01:52,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:01:52,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (1/1) ... [2023-11-19 05:01:52,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:52,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:52,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:01:52,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:01:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:01:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:01:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:01:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:01:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:01:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:01:52,714 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:01:52,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:01:54,978 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:01:54,993 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:01:54,995 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:01:55,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:55 BoogieIcfgContainer [2023-11-19 05:01:55,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:01:55,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:01:55,008 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:01:55,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:01:55,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:51" (1/3) ... [2023-11-19 05:01:55,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446d5149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:55, skipping insertion in model container [2023-11-19 05:01:55,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:52" (2/3) ... [2023-11-19 05:01:55,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446d5149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:55, skipping insertion in model container [2023-11-19 05:01:55,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:55" (3/3) ... [2023-11-19 05:01:55,017 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-35.i [2023-11-19 05:01:55,040 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:01:55,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:01:55,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:01:55,122 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;@70007dc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:01:55,123 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:01:55,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:01:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 05:01:55,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:55,145 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:55,146 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:55,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:55,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1342518989, now seen corresponding path program 1 times [2023-11-19 05:01:55,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:01:55,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661791462] [2023-11-19 05:01:55,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:55,173 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 [2023-11-19 05:01:55,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:01:55,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:01:55,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:01:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:55,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:01:55,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-19 05:01:55,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:01:55,766 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:01:55,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661791462] [2023-11-19 05:01:55,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661791462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:55,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:55,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:01:55,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004797841] [2023-11-19 05:01:55,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:55,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:01:55,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:01:55,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:01:55,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:01:55,808 INFO L87 Difference]: Start difference. First operand has 73 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:01:55,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:55,844 INFO L93 Difference]: Finished difference Result 139 states and 243 transitions. [2023-11-19 05:01:55,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:01:55,846 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 169 [2023-11-19 05:01:55,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:55,855 INFO L225 Difference]: With dead ends: 139 [2023-11-19 05:01:55,855 INFO L226 Difference]: Without dead ends: 69 [2023-11-19 05:01:55,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:01:55,864 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:55,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:01:55,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-19 05:01:55,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-19 05:01:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:01:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2023-11-19 05:01:55,920 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 169 [2023-11-19 05:01:55,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:55,920 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2023-11-19 05:01:55,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:01:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2023-11-19 05:01:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 05:01:55,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:55,927 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:55,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:01:56,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:01:56,138 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:56,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash -874374701, now seen corresponding path program 1 times [2023-11-19 05:01:56,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:01:56,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819768593] [2023-11-19 05:01:56,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:56,140 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 [2023-11-19 05:01:56,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:01:56,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:01:56,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:01:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:56,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:01:56,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 05:01:56,704 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:01:56,704 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:01:56,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819768593] [2023-11-19 05:01:56,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819768593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:56,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:56,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:01:56,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124290453] [2023-11-19 05:01:56,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:56,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:01:56,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:01:56,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:01:56,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:01:56,709 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:01:59,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:01:59,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:59,338 INFO L93 Difference]: Finished difference Result 176 states and 265 transitions. [2023-11-19 05:01:59,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:01:59,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2023-11-19 05:01:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:59,345 INFO L225 Difference]: With dead ends: 176 [2023-11-19 05:01:59,345 INFO L226 Difference]: Without dead ends: 110 [2023-11-19 05:01:59,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:01:59,348 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 57 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:59,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 228 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-19 05:01:59,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-19 05:01:59,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2023-11-19 05:01:59,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 64 states have internal predecessors, (78), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-19 05:01:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 160 transitions. [2023-11-19 05:01:59,377 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 160 transitions. Word has length 169 [2023-11-19 05:01:59,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:59,379 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 160 transitions. [2023-11-19 05:01:59,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:01:59,379 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2023-11-19 05:01:59,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 05:01:59,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:59,383 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:59,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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)] Ended with exit code 0 [2023-11-19 05:01:59,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:01:59,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:59,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:59,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1267401711, now seen corresponding path program 1 times [2023-11-19 05:01:59,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:01:59,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538661498] [2023-11-19 05:01:59,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:59,597 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 [2023-11-19 05:01:59,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:01:59,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:01:59,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_938e31f8-52cc-4385-8cfe-e7d7d41d8435/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:02:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:00,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 05:02:00,097 INFO L285 TraceCheckSpWp]: Computing forward predicates...