./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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_53462da5-f861-4730-b59f-8ebe470da3ac/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 c98568d0b62219d2a302878a1e8805bbfc68639e4b7d512ba8c041809f98b0e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:15:43,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:15:43,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:15:43,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:15:43,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:15:43,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:15:43,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:15:43,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:15:43,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:15:43,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:15:43,314 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:15:43,315 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:15:43,316 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:15:43,316 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:15:43,317 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:15:43,317 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:15:43,318 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:15:43,318 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:15:43,319 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:15:43,319 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:15:43,320 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:15:43,325 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:15:43,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:15:43,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:15:43,327 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:15:43,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:15:43,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:15:43,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:15:43,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:15:43,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:15:43,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:15:43,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:15:43,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:15:43,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:15:43,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:15:43,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:15:43,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:15:43,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:15:43,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:15:43,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:15:43,334 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:15:43,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:15:43,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:15:43,336 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:15:43,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:15:43,337 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_53462da5-f861-4730-b59f-8ebe470da3ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c98568d0b62219d2a302878a1e8805bbfc68639e4b7d512ba8c041809f98b0e4 [2023-11-19 04:15:43,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:15:43,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:15:43,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:15:43,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:15:43,676 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:15:43,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-11-19 04:15:46,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:15:46,945 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:15:46,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-11-19 04:15:46,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/data/80e9078bd/ed4523d7f93a40458b6f488ee3b3fbd8/FLAG1cdf5fedb [2023-11-19 04:15:46,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/data/80e9078bd/ed4523d7f93a40458b6f488ee3b3fbd8 [2023-11-19 04:15:46,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:15:46,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:15:46,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:46,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:15:46,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:15:46,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:46" (1/1) ... [2023-11-19 04:15:46,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a112c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:46, skipping insertion in model container [2023-11-19 04:15:46,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:46" (1/1) ... [2023-11-19 04:15:47,050 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:15:47,236 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_53462da5-f861-4730-b59f-8ebe470da3ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i[919,932] [2023-11-19 04:15:47,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:15:47,337 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:15:47,351 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_53462da5-f861-4730-b59f-8ebe470da3ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i[919,932] [2023-11-19 04:15:47,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:15:47,440 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:15:47,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47 WrapperNode [2023-11-19 04:15:47,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:47,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:15:47,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:15:47,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:15:47,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,535 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2023-11-19 04:15:47,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:15:47,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:15:47,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:15:47,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:15:47,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:15:47,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:15:47,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:15:47,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:15:47,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (1/1) ... [2023-11-19 04:15:47,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:15:47,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:15:47,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:15:47,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:15:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:15:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:15:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:15:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:15:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:15:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:15:47,849 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:15:47,851 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:15:48,477 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:15:49,068 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:15:49,069 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:15:49,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:15:49 BoogieIcfgContainer [2023-11-19 04:15:49,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:15:49,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:15:49,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:15:49,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:15:49,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:15:46" (1/3) ... [2023-11-19 04:15:49,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f3b355c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:15:49, skipping insertion in model container [2023-11-19 04:15:49,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:47" (2/3) ... [2023-11-19 04:15:49,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f3b355c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:15:49, skipping insertion in model container [2023-11-19 04:15:49,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:15:49" (3/3) ... [2023-11-19 04:15:49,094 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-11-19 04:15:49,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:15:49,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:15:49,172 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:15:49,180 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;@293fb6ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:15:49,180 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:15:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:15:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 04:15:49,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:15:49,203 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:15:49,205 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:15:49,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:15:49,213 INFO L85 PathProgramCache]: Analyzing trace with hash -205115963, now seen corresponding path program 1 times [2023-11-19 04:15:49,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:15:49,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510206017] [2023-11-19 04:15:49,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:49,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:15:49,432 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:15:49,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103511219] [2023-11-19 04:15:49,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:15:49,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:15:49,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:15:49,437 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:15:49,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:15:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:15:50,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:15:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:15:50,676 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:15:50,679 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:15:50,680 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:15:50,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 04:15:50,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:15:50,897 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:15:50,901 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:15:51,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:15:51 BoogieIcfgContainer [2023-11-19 04:15:51,020 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:15:51,020 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:15:51,020 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:15:51,021 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:15:51,021 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:15:49" (3/4) ... [2023-11-19 04:15:51,024 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:15:51,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:15:51,026 INFO L158 Benchmark]: Toolchain (without parser) took 4048.80ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 63.7MB in the beginning and 93.0MB in the end (delta: -29.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-19 04:15:51,027 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:15:51,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.08ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 63.4MB in the beginning and 111.3MB in the end (delta: -47.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-19 04:15:51,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.62ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 107.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:15:51,029 INFO L158 Benchmark]: Boogie Preprocessor took 69.66ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 104.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:15:51,030 INFO L158 Benchmark]: RCFGBuilder took 1469.69ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 104.4MB in the beginning and 146.3MB in the end (delta: -42.0MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2023-11-19 04:15:51,031 INFO L158 Benchmark]: TraceAbstraction took 1937.50ms. Allocated memory is still 182.5MB. Free memory was 145.4MB in the beginning and 93.0MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-19 04:15:51,031 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 182.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:15:51,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.08ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 63.4MB in the beginning and 111.3MB in the end (delta: -47.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.62ms. Allocated memory is still 151.0MB. Free memory was 111.3MB in the beginning and 107.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.66ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 104.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1469.69ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 104.4MB in the beginning and 146.3MB in the end (delta: -42.0MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1937.50ms. Allocated memory is still 182.5MB. Free memory was 145.4MB in the beginning and 93.0MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 182.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of shiftLeft at line 107, overapproximation of bitwiseAnd at line 127, overapproximation of someBinaryArithmeticFLOAToperation at line 77, overapproximation of someUnaryFLOAToperation at line 113. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_8 = 0; [L24] unsigned long int var_1_9 = 10; [L25] float var_1_10 = 99.5; [L26] float var_1_11 = 5.6; [L27] float var_1_12 = 255.5; [L28] float var_1_13 = 31.25; [L29] signed short int var_1_14 = 32; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_16 = 1; [L32] unsigned char var_1_17 = 5; [L33] unsigned char var_1_18 = 50; [L34] unsigned char var_1_19 = 50; [L35] signed char var_1_20 = 1; [L36] signed char var_1_21 = -10; [L37] float var_1_22 = 0.5; [L38] signed char var_1_23 = 100; [L39] signed short int var_1_24 = 2; [L40] unsigned short int var_1_31 = 8; [L41] unsigned char var_1_33 = 1; [L42] float var_1_35 = 32.4; [L43] float var_1_36 = 8.5; [L44] float var_1_37 = 7.5; [L45] unsigned char var_1_39 = 16; [L46] signed short int var_1_41 = -2; [L47] unsigned char var_1_42 = 10; [L48] unsigned char var_1_43 = 4; [L49] unsigned char var_1_44 = 64; [L50] signed long int var_1_45 = -25; [L51] unsigned char last_1_var_1_1 = 0; [L52] unsigned long int last_1_var_1_9 = 10; [L53] signed short int last_1_var_1_14 = 32; [L54] unsigned char last_1_var_1_16 = 1; [L55] signed char last_1_var_1_20 = 1; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L180] last_1_var_1_1 = var_1_1 [L181] last_1_var_1_9 = var_1_9 [L182] last_1_var_1_14 = var_1_14 [L183] last_1_var_1_16 = var_1_16 [L184] last_1_var_1_20 = var_1_20 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L142] var_1_8 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L144] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L145] var_1_11 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L147] var_1_12 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L149] var_1_13 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L151] var_1_15 = __VERIFIER_nondet_ulong() [L152] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L153] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L154] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L155] var_1_17 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L157] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L158] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L159] var_1_18 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L161] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L162] var_1_19 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L164] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L165] var_1_21 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L167] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L168] var_1_36 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=15/2, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L170] var_1_37 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L172] var_1_43 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=1, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=1, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L174] CALL assume_abort_if_not(var_1_43 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=1, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_43 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=1, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L175] var_1_44 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_44 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=1, var_1_44=10, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_44 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=1, var_1_44=10, var_1_45=-25, var_1_8=1, var_1_9=10] [L177] CALL assume_abort_if_not(var_1_44 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=1, var_1_44=10, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_44 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=2, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_33=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=-2, var_1_42=10, var_1_43=1, var_1_44=10, var_1_45=-25, var_1_8=1, var_1_9=10] [L195] RET updateVariables() [L196] CALL step() [L59] COND FALSE !(\read(var_1_1)) [L66] var_1_24 = var_1_20 [L68] COND TRUE var_1_20 >= var_1_16 [L69] COND TRUE (4 % var_1_15) > var_1_19 [L70] var_1_31 = ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) + 256) < 0 ) ? -(((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) + 256) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) + 256))) [L75] var_1_33 = var_1_8 [L76] COND TRUE var_1_16 >= var_1_16 [L77] var_1_35 = ((var_1_36 - var_1_37) + var_1_12) [L79] COND FALSE !(var_1_1 || var_1_1) [L82] COND TRUE \read(var_1_8) [L83] var_1_41 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) [L87] COND FALSE !(var_1_13 <= ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) [L90] COND TRUE (var_1_16 / var_1_15) >= var_1_19 [L91] COND TRUE \read(var_1_8) [L92] var_1_45 = (((((var_1_16) < (var_1_43)) ? (var_1_16) : (var_1_43))) - var_1_44) [L99] unsigned char stepLocal_1 = last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16); [L100] signed long int stepLocal_0 = last_1_var_1_20 * last_1_var_1_20; [L101] COND FALSE !(stepLocal_0 == last_1_var_1_14) [L106] unsigned long int stepLocal_6 = ((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17; [L107] EXPR 256u << last_1_var_1_16 [L107] COND FALSE !(stepLocal_6 <= (256u << last_1_var_1_16)) [L110] unsigned char stepLocal_5 = var_1_16 != var_1_16; [L111] unsigned char stepLocal_4 = var_1_8; [L112] COND TRUE (! var_1_1) || stepLocal_4 [L113] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L121] var_1_20 = var_1_21 [L122] var_1_22 = var_1_12 [L123] var_1_23 = var_1_21 [L124] COND FALSE !(\read(var_1_1)) [L127] EXPR (var_1_16 / var_1_15) & var_1_16 [L127] COND FALSE !(((var_1_16 / var_1_15) & var_1_16) >= var_1_20) [L130] var_1_14 = -128 [L133] unsigned char stepLocal_3 = var_1_20 != var_1_14; [L134] signed long int stepLocal_2 = (((var_1_16) < (0)) ? (var_1_16) : (0)); [L135] COND TRUE (var_1_1 || (var_1_16 <= var_1_14)) || stepLocal_3 [L136] COND FALSE !(stepLocal_2 <= (-5 + var_1_16)) [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR (((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128)))) [L187] EXPR ((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) [L187-L188] return (((((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=7, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=-128, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=2, var_1_24=1, var_1_31=772, var_1_33=1, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=0, var_1_42=10, var_1_43=1, var_1_44=10, var_1_45=-9, var_1_8=1, var_1_9=10] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=7, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=-128, var_1_15=516, var_1_16=1, var_1_17=2, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=2, var_1_24=1, var_1_31=772, var_1_33=1, var_1_36=5, var_1_37=6, var_1_39=16, var_1_41=0, var_1_42=10, var_1_43=1, var_1_44=10, var_1_45=-9, var_1_8=1, var_1_9=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:15:51,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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_53462da5-f861-4730-b59f-8ebe470da3ac/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 c98568d0b62219d2a302878a1e8805bbfc68639e4b7d512ba8c041809f98b0e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:15:53,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:15:53,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:15:53,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:15:53,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:15:53,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:15:53,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:15:53,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:15:53,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:15:53,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:15:53,961 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:15:53,961 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:15:53,962 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:15:53,964 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:15:53,965 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:15:53,965 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:15:53,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:15:53,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:15:53,968 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:15:53,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:15:53,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:15:53,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:15:53,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:15:53,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:15:53,972 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:15:53,972 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:15:53,973 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:15:53,973 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:15:53,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:15:53,975 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:15:53,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:15:53,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:15:53,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:15:53,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:15:53,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:15:53,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:15:53,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:15:53,979 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:15:53,979 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:15:53,981 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:15:53,981 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:15:53,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:15:53,982 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_53462da5-f861-4730-b59f-8ebe470da3ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c98568d0b62219d2a302878a1e8805bbfc68639e4b7d512ba8c041809f98b0e4 [2023-11-19 04:15:54,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:15:54,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:15:54,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:15:54,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:15:54,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:15:54,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-11-19 04:15:57,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:15:58,223 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:15:58,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-11-19 04:15:58,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/data/8e8a79fe3/1b6e1f8a083049e8a0220675bf779b3b/FLAG07a3eb994 [2023-11-19 04:15:58,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/data/8e8a79fe3/1b6e1f8a083049e8a0220675bf779b3b [2023-11-19 04:15:58,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:15:58,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:15:58,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:58,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:15:58,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:15:58,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b56843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58, skipping insertion in model container [2023-11-19 04:15:58,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:15:58,528 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_53462da5-f861-4730-b59f-8ebe470da3ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i[919,932] [2023-11-19 04:15:58,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:15:58,677 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:15:58,692 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_53462da5-f861-4730-b59f-8ebe470da3ac/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i[919,932] [2023-11-19 04:15:58,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:15:58,781 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:15:58,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58 WrapperNode [2023-11-19 04:15:58,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:58,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:15:58,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:15:58,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:15:58,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,840 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-19 04:15:58,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:15:58,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:15:58,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:15:58,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:15:58,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:15:58,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:15:58,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:15:58,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:15:58,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (1/1) ... [2023-11-19 04:15:58,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:15:58,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:15:58,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:15:58,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:15:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:15:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:15:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:15:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:15:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:15:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:15:59,068 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:15:59,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:16:00,860 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:16:00,869 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:16:00,869 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:16:00,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:00 BoogieIcfgContainer [2023-11-19 04:16:00,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:16:00,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:16:00,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:16:00,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:16:00,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:15:58" (1/3) ... [2023-11-19 04:16:00,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5370ccf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:16:00, skipping insertion in model container [2023-11-19 04:16:00,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:58" (2/3) ... [2023-11-19 04:16:00,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5370ccf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:16:00, skipping insertion in model container [2023-11-19 04:16:00,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:00" (3/3) ... [2023-11-19 04:16:00,883 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-53.i [2023-11-19 04:16:00,906 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:16:00,906 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:16:00,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:16:00,965 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;@486624c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:16:00,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:16:00,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:16:00,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 04:16:00,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:00,994 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:16:00,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:01,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:01,004 INFO L85 PathProgramCache]: Analyzing trace with hash 598712098, now seen corresponding path program 1 times [2023-11-19 04:16:01,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:16:01,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573905679] [2023-11-19 04:16:01,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:01,021 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 04:16:01,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:16:01,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:01,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:01,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:16:01,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 04:16:03,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:16:03,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:16:03,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573905679] [2023-11-19 04:16:03,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573905679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:16:03,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:16:03,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:16:03,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334162280] [2023-11-19 04:16:03,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:16:03,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:16:03,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:16:03,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:16:03,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:16:03,357 INFO L87 Difference]: Start difference. First operand has 82 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:16:04,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:16:04,744 INFO L93 Difference]: Finished difference Result 221 states and 402 transitions. [2023-11-19 04:16:04,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:16:04,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2023-11-19 04:16:04,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:16:04,759 INFO L225 Difference]: With dead ends: 221 [2023-11-19 04:16:04,759 INFO L226 Difference]: Without dead ends: 142 [2023-11-19 04:16:04,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 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 04:16:04,767 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 34 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:16:04,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 215 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-19 04:16:04,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-19 04:16:04,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 124. [2023-11-19 04:16:04,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 75 states have (on average 1.32) internal successors, (99), 75 states have internal predecessors, (99), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-19 04:16:04,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 191 transitions. [2023-11-19 04:16:04,843 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 191 transitions. Word has length 156 [2023-11-19 04:16:04,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:16:04,844 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 191 transitions. [2023-11-19 04:16:04,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:16:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 191 transitions. [2023-11-19 04:16:04,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 04:16:04,850 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:04,850 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:16:04,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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)] Ended with exit code 0 [2023-11-19 04:16:05,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:05,063 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:05,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:05,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1500855692, now seen corresponding path program 1 times [2023-11-19 04:16:05,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:16:05,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000652764] [2023-11-19 04:16:05,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:05,066 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 04:16:05,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:16:05,067 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:05,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:05,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:16:05,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 04:16:05,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:16:05,718 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:16:05,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000652764] [2023-11-19 04:16:05,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000652764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:16:05,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:16:05,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:16:05,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680962189] [2023-11-19 04:16:05,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:16:05,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:16:05,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:16:05,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:16:05,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:16:05,723 INFO L87 Difference]: Start difference. First operand 124 states and 191 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:16:06,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:16:06,221 INFO L93 Difference]: Finished difference Result 271 states and 418 transitions. [2023-11-19 04:16:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:16:06,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 157 [2023-11-19 04:16:06,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:16:06,227 INFO L225 Difference]: With dead ends: 271 [2023-11-19 04:16:06,227 INFO L226 Difference]: Without dead ends: 193 [2023-11-19 04:16:06,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 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 04:16:06,230 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 102 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:16:06,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 217 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 04:16:06,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-19 04:16:06,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 191. [2023-11-19 04:16:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 118 states have (on average 1.2881355932203389) internal successors, (152), 118 states have internal predecessors, (152), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-19 04:16:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 290 transitions. [2023-11-19 04:16:06,278 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 290 transitions. Word has length 157 [2023-11-19 04:16:06,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:16:06,279 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 290 transitions. [2023-11-19 04:16:06,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:16:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 290 transitions. [2023-11-19 04:16:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 04:16:06,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:06,291 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:16:06,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:16:06,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:06,504 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:06,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:06,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1056719995, now seen corresponding path program 1 times [2023-11-19 04:16:06,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:16:06,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067396062] [2023-11-19 04:16:06,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:06,506 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 04:16:06,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:16:06,507 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:06,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:06,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:16:06,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 04:16:08,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:16:08,339 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:16:08,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067396062] [2023-11-19 04:16:08,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2067396062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:16:08,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:16:08,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:16:08,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417484824] [2023-11-19 04:16:08,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:16:08,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:16:08,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:16:08,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:16:08,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:16:08,351 INFO L87 Difference]: Start difference. First operand 191 states and 290 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:16:09,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:16:09,389 INFO L93 Difference]: Finished difference Result 363 states and 550 transitions. [2023-11-19 04:16:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:16:09,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 158 [2023-11-19 04:16:09,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:16:09,394 INFO L225 Difference]: With dead ends: 363 [2023-11-19 04:16:09,394 INFO L226 Difference]: Without dead ends: 219 [2023-11-19 04:16:09,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:16:09,397 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 88 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:16:09,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 395 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 04:16:09,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-11-19 04:16:09,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 202. [2023-11-19 04:16:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 129 states have (on average 1.310077519379845) internal successors, (169), 129 states have internal predecessors, (169), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-19 04:16:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 307 transitions. [2023-11-19 04:16:09,446 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 307 transitions. Word has length 158 [2023-11-19 04:16:09,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:16:09,447 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 307 transitions. [2023-11-19 04:16:09,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:16:09,448 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 307 transitions. [2023-11-19 04:16:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 04:16:09,450 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:09,451 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:16:09,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:16:09,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:09,664 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:09,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:09,665 INFO L85 PathProgramCache]: Analyzing trace with hash -480758741, now seen corresponding path program 1 times [2023-11-19 04:16:09,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:16:09,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [995838809] [2023-11-19 04:16:09,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:09,666 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 04:16:09,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:16:09,667 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:09,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 (5)] Waiting until timeout for monitored process [2023-11-19 04:16:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:10,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:16:10,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 04:16:10,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:16:10,289 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:16:10,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [995838809] [2023-11-19 04:16:10,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [995838809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:16:10,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:16:10,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:16:10,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025951634] [2023-11-19 04:16:10,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:16:10,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:16:10,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:16:10,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:16:10,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:16:10,299 INFO L87 Difference]: Start difference. First operand 202 states and 307 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:16:11,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:16:11,601 INFO L93 Difference]: Finished difference Result 425 states and 646 transitions. [2023-11-19 04:16:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:16:11,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 158 [2023-11-19 04:16:11,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:16:11,608 INFO L225 Difference]: With dead ends: 425 [2023-11-19 04:16:11,609 INFO L226 Difference]: Without dead ends: 281 [2023-11-19 04:16:11,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 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 04:16:11,611 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 105 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:16:11,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 313 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-19 04:16:11,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-19 04:16:11,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 204. [2023-11-19 04:16:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 131 states have (on average 1.3053435114503817) internal successors, (171), 131 states have internal predecessors, (171), 69 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-19 04:16:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 309 transitions. [2023-11-19 04:16:11,651 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 309 transitions. Word has length 158 [2023-11-19 04:16:11,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:16:11,652 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 309 transitions. [2023-11-19 04:16:11,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:16:11,653 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 309 transitions. [2023-11-19 04:16:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 04:16:11,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:11,655 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:16:11,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:16:11,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:11,876 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:11,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:11,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1294248621, now seen corresponding path program 1 times [2023-11-19 04:16:11,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:16:11,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593868726] [2023-11-19 04:16:11,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:11,878 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 04:16:11,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:16:11,879 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:11,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 (6)] Waiting until timeout for monitored process [2023-11-19 04:16:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:12,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:16:12,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-19 04:16:12,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:16:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-19 04:16:13,194 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:16:13,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593868726] [2023-11-19 04:16:13,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593868726] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:16:13,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [134613155] [2023-11-19 04:16:13,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:13,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:16:13,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:16:13,203 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:16:13,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 04:16:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:14,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:16:14,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 472 proven. 21 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2023-11-19 04:16:14,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:16:15,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-19 04:16:15,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [134613155] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:16:15,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585824608] [2023-11-19 04:16:15,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:15,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:16:15,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:16:15,220 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:16:15,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 04:16:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:15,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:16:15,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:16:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 462 proven. 141 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2023-11-19 04:16:17,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:16:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-19 04:16:17,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585824608] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:16:17,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 04:16:17,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 15, 9] total 22 [2023-11-19 04:16:17,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022448693] [2023-11-19 04:16:17,953 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 04:16:17,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-19 04:16:17,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:16:17,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-19 04:16:17,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2023-11-19 04:16:17,958 INFO L87 Difference]: Start difference. First operand 204 states and 309 transitions. Second operand has 22 states, 22 states have (on average 4.7727272727272725) internal successors, (105), 21 states have internal predecessors, (105), 6 states have call successors, (59), 5 states have call predecessors, (59), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-11-19 04:16:22,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:16:22,667 INFO L93 Difference]: Finished difference Result 494 states and 707 transitions. [2023-11-19 04:16:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-19 04:16:22,668 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.7727272727272725) internal successors, (105), 21 states have internal predecessors, (105), 6 states have call successors, (59), 5 states have call predecessors, (59), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) Word has length 158 [2023-11-19 04:16:22,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:16:22,673 INFO L225 Difference]: With dead ends: 494 [2023-11-19 04:16:22,673 INFO L226 Difference]: Without dead ends: 342 [2023-11-19 04:16:22,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 985 GetRequests, 922 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 971 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=915, Invalid=2867, Unknown=0, NotChecked=0, Total=3782 [2023-11-19 04:16:22,678 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 393 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:16:22,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 738 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-19 04:16:22,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-11-19 04:16:22,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 238. [2023-11-19 04:16:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 156 states have (on average 1.2115384615384615) internal successors, (189), 156 states have internal predecessors, (189), 69 states have call successors, (69), 12 states have call predecessors, (69), 12 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-19 04:16:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 327 transitions. [2023-11-19 04:16:22,743 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 327 transitions. Word has length 158 [2023-11-19 04:16:22,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:16:22,744 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 327 transitions. [2023-11-19 04:16:22,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.7727272727272725) internal successors, (105), 21 states have internal predecessors, (105), 6 states have call successors, (59), 5 states have call predecessors, (59), 9 states have return successors, (62), 6 states have call predecessors, (62), 6 states have call successors, (62) [2023-11-19 04:16:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 327 transitions. [2023-11-19 04:16:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 04:16:22,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:22,748 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:16:22,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-19 04:16:22,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 (6)] Ended with exit code 0 [2023-11-19 04:16:23,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:16:23,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:16:23,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:23,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:23,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2042635062, now seen corresponding path program 1 times [2023-11-19 04:16:23,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:16:23,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292539179] [2023-11-19 04:16:23,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:23,366 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 04:16:23,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:16:23,367 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 04:16:23,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53462da5-f861-4730-b59f-8ebe470da3ac/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 (9)] Waiting until timeout for monitored process [2023-11-19 04:16:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:16:23,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:16:23,948 INFO L285 TraceCheckSpWp]: Computing forward predicates...