./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/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_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/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_33d53217-c919-4de5-b701-652eed597d25/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 6d2a5db81174f97af5617a328e4f08c7a29d4a33d2f456761417e8dc5d1b805e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:03,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:04,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:14:04,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:04,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:04,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:04,123 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:04,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:04,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:04,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:04,131 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:04,131 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:04,132 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:04,133 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:14:04,134 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:04,134 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:04,135 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:14:04,135 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:14:04,136 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:04,136 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:14:04,137 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:14:04,137 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:14:04,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:04,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:04,140 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:14:04,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:14:04,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:14:04,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:04,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:04,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:04,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:04,143 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:14:04,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:04,144 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:04,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:04,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:04,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:04,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:04,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:04,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:04,146 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:14:04,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:14:04,147 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:04,147 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:04,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:04,148 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_33d53217-c919-4de5-b701-652eed597d25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d2a5db81174f97af5617a328e4f08c7a29d4a33d2f456761417e8dc5d1b805e [2023-11-19 05:14:04,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:04,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:04,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:04,509 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:04,509 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:04,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2023-11-19 05:14:07,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:07,940 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:07,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2023-11-19 05:14:07,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/data/2a6396c78/8895dec7f727454a9106b7dd4c2ccb78/FLAGfc8e4b3a4 [2023-11-19 05:14:07,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/data/2a6396c78/8895dec7f727454a9106b7dd4c2ccb78 [2023-11-19 05:14:07,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:07,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:07,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:07,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:07,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:07,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:07" (1/1) ... [2023-11-19 05:14:07,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61cb828c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:07, skipping insertion in model container [2023-11-19 05:14:07,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:07" (1/1) ... [2023-11-19 05:14:08,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:08,191 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_33d53217-c919-4de5-b701-652eed597d25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i[919,932] [2023-11-19 05:14:08,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:08,287 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:14:08,300 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_33d53217-c919-4de5-b701-652eed597d25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i[919,932] [2023-11-19 05:14:08,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:08,368 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:14:08,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08 WrapperNode [2023-11-19 05:14:08,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:08,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:08,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:14:08,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:14:08,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,468 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 245 [2023-11-19 05:14:08,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:08,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:14:08,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:14:08,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:14:08,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:14:08,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:14:08,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:14:08,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:14:08,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:08,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:08,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:14:08,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:14:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:14:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:14:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:14:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:14:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:14:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:14:08,831 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:14:08,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:09,430 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:09,951 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:09,952 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:14:09,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:09 BoogieIcfgContainer [2023-11-19 05:14:09,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:09,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:09,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:09,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:09,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:14:07" (1/3) ... [2023-11-19 05:14:09,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792da7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:09, skipping insertion in model container [2023-11-19 05:14:09,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (2/3) ... [2023-11-19 05:14:09,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792da7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:09, skipping insertion in model container [2023-11-19 05:14:09,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:09" (3/3) ... [2023-11-19 05:14:09,973 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2023-11-19 05:14:09,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:09,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:14:10,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:10,068 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;@545f0600, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:10,069 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:14:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:14:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 05:14:10,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:10,089 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:10,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:10,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:10,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1106887807, now seen corresponding path program 1 times [2023-11-19 05:14:10,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:10,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463433600] [2023-11-19 05:14:10,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:10,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:14:10,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:14:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:14:11,588 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:14:11,590 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:14:11,592 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:14:11,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:14:11,599 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:14:11,607 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:14:11,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:14:11 BoogieIcfgContainer [2023-11-19 05:14:11,774 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:14:11,776 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:14:11,776 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:14:11,776 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:14:11,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:09" (3/4) ... [2023-11-19 05:14:11,781 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:14:11,783 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:14:11,785 INFO L158 Benchmark]: Toolchain (without parser) took 3799.02ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 79.2MB in the beginning and 67.7MB in the end (delta: 11.5MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,785 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:11,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.46ms. Allocated memory is still 125.8MB. Free memory was 79.2MB in the beginning and 63.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.08ms. Allocated memory is still 125.8MB. Free memory was 63.3MB in the beginning and 58.3MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,790 INFO L158 Benchmark]: Boogie Preprocessor took 50.43ms. Allocated memory is still 125.8MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,794 INFO L158 Benchmark]: RCFGBuilder took 1437.41ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 56.1MB in the beginning and 108.6MB in the end (delta: -52.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,796 INFO L158 Benchmark]: TraceAbstraction took 1811.56ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 108.6MB in the beginning and 68.8MB in the end (delta: 39.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,797 INFO L158 Benchmark]: Witness Printer took 7.48ms. Allocated memory is still 192.9MB. Free memory was 68.8MB in the beginning and 67.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:11,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.46ms. Allocated memory is still 125.8MB. Free memory was 79.2MB in the beginning and 63.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.08ms. Allocated memory is still 125.8MB. Free memory was 63.3MB in the beginning and 58.3MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.43ms. Allocated memory is still 125.8MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1437.41ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 56.1MB in the beginning and 108.6MB in the end (delta: -52.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1811.56ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 108.6MB in the beginning and 68.8MB in the end (delta: 39.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Witness Printer took 7.48ms. Allocated memory is still 192.9MB. Free memory was 68.8MB in the beginning and 67.7MB in the end (delta: 1.0MB). 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 182, overapproximation of shiftRight at line 76, overapproximation of bitwiseOr at line 82, overapproximation of someBinaryArithmeticDOUBLEoperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned char var_1_7 = 0; [L24] unsigned short int var_1_11 = 500; [L25] unsigned char var_1_13 = 64; [L26] unsigned char var_1_15 = 1; [L27] unsigned char var_1_16 = 8; [L28] double var_1_17 = 7.5; [L29] double var_1_18 = 31.125; [L30] double var_1_19 = 10.5; [L31] double var_1_20 = 0.0; [L32] double var_1_21 = 16.75; [L33] double var_1_22 = 2.5; [L34] double var_1_23 = 64.5; [L35] signed long int var_1_24 = 10; [L36] signed char var_1_26 = 16; [L37] signed char var_1_27 = 4; [L38] signed char var_1_28 = -10; [L39] float var_1_29 = 63.794; [L40] unsigned short int var_1_30 = 1; [L41] signed long int var_1_31 = -2; [L42] unsigned char var_1_32 = 64; [L43] unsigned char var_1_33 = 8; [L44] double var_1_40 = 8.35; [L45] unsigned short int var_1_45 = 50; [L46] unsigned char var_1_46 = 0; [L47] unsigned char var_1_47 = 5; [L48] unsigned char var_1_48 = 1; [L49] signed char var_1_49 = -16; [L50] signed char var_1_50 = 2; [L51] signed char var_1_51 = 16; [L52] signed long int var_1_53 = 256; [L53] double var_1_54 = 1.25; [L54] unsigned long int var_1_55 = 5; [L55] signed long int last_1_var_1_1 = 64; [L56] unsigned char last_1_var_1_13 = 64; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L178] last_1_var_1_1 = var_1_1 [L179] last_1_var_1_13 = var_1_13 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L140] var_1_7 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L142] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L143] var_1_15 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L145] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L146] var_1_16 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L148] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L149] var_1_18 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L151] var_1_19 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L153] var_1_20 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L155] var_1_21 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L157] var_1_22 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L159] var_1_23 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L161] var_1_27 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L163] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L164] var_1_28 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L166] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L167] var_1_47 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_47 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_47 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L169] CALL assume_abort_if_not(var_1_47 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_47 <= 127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L170] var_1_50 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_50 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=62, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_50 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=62, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L172] CALL assume_abort_if_not(var_1_50 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=62, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_50 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=62, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L173] var_1_51 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_51 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=62, var_1_51=62, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_51 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=62, var_1_51=62, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L175] CALL assume_abort_if_not(var_1_51 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=62, var_1_51=62, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_51 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=15/2, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=10, var_1_26=16, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=32, var_1_48=1, var_1_49=-16, var_1_50=62, var_1_51=62, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=1] [L190] RET updateVariables() [L191] CALL step() [L60] signed long int stepLocal_1 = last_1_var_1_1; [L61] COND FALSE !(stepLocal_1 != last_1_var_1_13) [L64] var_1_31 = var_1_13 [L65] COND TRUE \read(var_1_7) [L66] var_1_17 = ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) [L70] COND TRUE \read(var_1_7) [L71] var_1_29 = var_1_20 [L73] var_1_32 = var_1_16 [L74] var_1_30 = var_1_32 [L75] unsigned char stepLocal_0 = var_1_13; [L76] EXPR var_1_32 >> var_1_32 [L76] COND TRUE (var_1_32 >> var_1_32) < stepLocal_0 [L77] var_1_11 = var_1_32 [L79] COND TRUE var_1_11 >= var_1_30 [L80] var_1_26 = (var_1_27 + var_1_28) [L82] EXPR (var_1_31 + 4u) | var_1_30 [L82] COND TRUE 32u < ((var_1_31 + 4u) | var_1_30) [L83] var_1_1 = (var_1_26 + (var_1_26 + var_1_32)) [L91] unsigned short int stepLocal_2 = var_1_30; [L92] COND FALSE !(! var_1_7) [L95] COND FALSE !(var_1_11 < stepLocal_2) [L98] var_1_24 = var_1_26 [L101] EXPR var_1_15 ^ var_1_1 [L101] EXPR var_1_13 | var_1_13 [L101] COND TRUE (var_1_15 ^ var_1_1) < (var_1_13 | var_1_13) [L102] var_1_33 = ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) [L106] COND FALSE !((-32 & var_1_16) > var_1_32) [L109] var_1_40 = (var_1_18 + var_1_18) [L111] COND FALSE !(var_1_21 >= ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) [L118] COND TRUE var_1_21 <= (var_1_20 + var_1_19) [L119] var_1_45 = var_1_32 [L122] COND TRUE var_1_18 > (var_1_19 + var_1_22) [L123] COND TRUE var_1_19 > var_1_20 [L124] var_1_46 = (128 - ((((((((var_1_47) < 0 ) ? -(var_1_47) : (var_1_47)))) < (32)) ? (((((var_1_47) < 0 ) ? -(var_1_47) : (var_1_47)))) : (32)))) [L129] var_1_48 = var_1_16 [L130] COND TRUE var_1_20 < var_1_22 [L131] var_1_49 = ((var_1_50 - var_1_51) + var_1_27) [L135] var_1_53 = var_1_11 [L136] var_1_54 = var_1_21 [L137] var_1_55 = var_1_11 [L191] RET step() [L192] CALL, EXPR property() [L182] EXPR (var_1_31 + 4u) | var_1_30 [L182] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) [L182] EXPR var_1_32 >> var_1_32 [L182] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) [L182-L183] return ((((((((((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)) && ((last_1_var_1_1 != last_1_var_1_13) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))))) : ((var_1_11 < var_1_30) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_26))))) && ((var_1_11 >= var_1_30) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_32))) && (var_1_31 == ((signed long int) var_1_13))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=64, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=4294967371, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=0, var_1_26=0, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=64, var_1_31=64, var_1_32=64, var_1_33=64, var_1_40=4294967370, var_1_45=64, var_1_46=96, var_1_47=32, var_1_48=64, var_1_49=62, var_1_50=62, var_1_51=62, var_1_53=64, var_1_54=4294967370, var_1_55=64, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=64, var_1_13=64, var_1_15=64, var_1_16=64, var_1_17=4294967371, var_1_18=4294967369, var_1_19=4294967370, var_1_1=64, var_1_20=31897/500, var_1_21=4294967370, var_1_22=4294967371, var_1_23=4294967371, var_1_24=0, var_1_26=0, var_1_27=62, var_1_28=-62, var_1_29=31897/500, var_1_30=64, var_1_31=64, var_1_32=64, var_1_33=64, var_1_40=4294967370, var_1_45=64, var_1_46=96, var_1_47=32, var_1_48=64, var_1_49=62, var_1_50=62, var_1_51=62, var_1_53=64, var_1_54=4294967370, var_1_55=64, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:14:11,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/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_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/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_33d53217-c919-4de5-b701-652eed597d25/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 6d2a5db81174f97af5617a328e4f08c7a29d4a33d2f456761417e8dc5d1b805e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:14,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:14,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:14:14,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:14,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:14,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:14,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:14,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:14,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:14,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:14,688 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:14,688 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:14,689 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:14,690 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:14,691 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:14,691 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:14,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:14,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:14,693 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:14:14,694 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:14:14,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:14,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:14,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:14,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:14,696 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:14:14,696 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:14:14,696 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:14:14,697 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:14:14,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:14,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:14,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:14,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:14:14,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:14,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:14,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:14,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:14,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:14,701 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:14:14,701 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:14,702 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:14,702 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:14,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:14,703 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_33d53217-c919-4de5-b701-652eed597d25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d2a5db81174f97af5617a328e4f08c7a29d4a33d2f456761417e8dc5d1b805e [2023-11-19 05:14:15,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:15,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:15,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:15,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:15,199 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:15,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2023-11-19 05:14:18,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:18,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:18,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2023-11-19 05:14:18,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/data/936568afa/0897cf17bb8e43b29efbca0efd995232/FLAGb93591b1c [2023-11-19 05:14:18,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/data/936568afa/0897cf17bb8e43b29efbca0efd995232 [2023-11-19 05:14:18,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:18,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:18,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:18,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:18,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:18,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:18" (1/1) ... [2023-11-19 05:14:18,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435a1c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:18, skipping insertion in model container [2023-11-19 05:14:18,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:18" (1/1) ... [2023-11-19 05:14:18,749 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:18,939 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_33d53217-c919-4de5-b701-652eed597d25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i[919,932] [2023-11-19 05:14:19,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:19,113 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:14:19,133 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_33d53217-c919-4de5-b701-652eed597d25/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i[919,932] [2023-11-19 05:14:19,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:19,284 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:14:19,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19 WrapperNode [2023-11-19 05:14:19,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:19,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:19,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:14:19,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:14:19,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,374 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-19 05:14:19,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:19,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:14:19,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:14:19,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:14:19,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:14:19,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:14:19,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:14:19,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:14:19,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (1/1) ... [2023-11-19 05:14:19,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:19,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:19,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:14:19,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:14:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:14:19,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:14:19,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:14:19,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:14:19,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:14:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:14:19,684 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:14:19,689 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:25,437 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:25,448 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:25,448 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:14:25,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:25 BoogieIcfgContainer [2023-11-19 05:14:25,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:25,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:25,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:25,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:25,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:14:18" (1/3) ... [2023-11-19 05:14:25,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7b382b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:25, skipping insertion in model container [2023-11-19 05:14:25,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:19" (2/3) ... [2023-11-19 05:14:25,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7b382b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:25, skipping insertion in model container [2023-11-19 05:14:25,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:25" (3/3) ... [2023-11-19 05:14:25,465 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2023-11-19 05:14:25,484 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:25,484 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:14:25,555 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:25,562 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;@4f28aa51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:25,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:14:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:14:25,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 05:14:25,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:25,585 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:25,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:25,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:25,592 INFO L85 PathProgramCache]: Analyzing trace with hash -485067979, now seen corresponding path program 1 times [2023-11-19 05:14:25,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:25,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685978018] [2023-11-19 05:14:25,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:25,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:25,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:25,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:25,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:14:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:26,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:14:26,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-19 05:14:26,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:26,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:26,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685978018] [2023-11-19 05:14:26,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685978018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:26,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:26,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:14:26,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946436906] [2023-11-19 05:14:26,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:26,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:14:26,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:26,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:14:26,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:14:26,451 INFO L87 Difference]: Start difference. First operand has 78 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:14:26,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:26,486 INFO L93 Difference]: Finished difference Result 148 states and 254 transitions. [2023-11-19 05:14:26,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:14:26,489 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2023-11-19 05:14:26,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:26,499 INFO L225 Difference]: With dead ends: 148 [2023-11-19 05:14:26,500 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 05:14:26,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:14:26,508 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:26,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:14:26,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 05:14:26,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-19 05:14:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.346938775510204) internal successors, (66), 49 states have internal predecessors, (66), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:14:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 110 transitions. [2023-11-19 05:14:26,559 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 110 transitions. Word has length 151 [2023-11-19 05:14:26,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:26,560 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 110 transitions. [2023-11-19 05:14:26,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:14:26,561 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2023-11-19 05:14:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 05:14:26,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:26,566 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:26,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:26,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:26,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:26,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:26,789 INFO L85 PathProgramCache]: Analyzing trace with hash -750621503, now seen corresponding path program 1 times [2023-11-19 05:14:26,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:26,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888977564] [2023-11-19 05:14:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:26,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:26,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:26,794 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:26,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:14:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:27,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:14:27,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:29,949 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:14:29,950 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:29,950 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:29,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888977564] [2023-11-19 05:14:29,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888977564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:29,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:29,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:14:29,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084498218] [2023-11-19 05:14:29,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:29,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:14:29,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:29,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:14:29,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:14:29,964 INFO L87 Difference]: Start difference. First operand 73 states and 110 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:32,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:34,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:36,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:39,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:41,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:43,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:43,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:43,174 INFO L93 Difference]: Finished difference Result 214 states and 325 transitions. [2023-11-19 05:14:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:14:43,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2023-11-19 05:14:43,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:43,208 INFO L225 Difference]: With dead ends: 214 [2023-11-19 05:14:43,208 INFO L226 Difference]: Without dead ends: 144 [2023-11-19 05:14:43,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:14:43,211 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 114 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 45 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:43,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 362 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 69 Invalid, 6 Unknown, 0 Unchecked, 13.0s Time] [2023-11-19 05:14:43,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-19 05:14:43,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 116. [2023-11-19 05:14:43,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 69 states have internal predecessors, (86), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 05:14:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 174 transitions. [2023-11-19 05:14:43,257 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 174 transitions. Word has length 151 [2023-11-19 05:14:43,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:43,258 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 174 transitions. [2023-11-19 05:14:43,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 174 transitions. [2023-11-19 05:14:43,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 05:14:43,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:43,263 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:43,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/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 05:14:43,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:43,480 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:43,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:43,481 INFO L85 PathProgramCache]: Analyzing trace with hash -531766785, now seen corresponding path program 1 times [2023-11-19 05:14:43,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:43,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912974258] [2023-11-19 05:14:43,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:43,482 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:43,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:43,484 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:43,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:14:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:44,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:14:44,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:14:44,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:44,230 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:44,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912974258] [2023-11-19 05:14:44,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912974258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:44,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:44,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:14:44,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899342410] [2023-11-19 05:14:44,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:44,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:14:44,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:44,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:14:44,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:14:44,234 INFO L87 Difference]: Start difference. First operand 116 states and 174 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:46,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:48,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:48,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:48,424 INFO L93 Difference]: Finished difference Result 212 states and 320 transitions. [2023-11-19 05:14:48,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:14:48,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2023-11-19 05:14:48,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:48,432 INFO L225 Difference]: With dead ends: 212 [2023-11-19 05:14:48,434 INFO L226 Difference]: Without dead ends: 142 [2023-11-19 05:14:48,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:14:48,437 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 31 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:48,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 227 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-11-19 05:14:48,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-19 05:14:48,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 124. [2023-11-19 05:14:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 77 states have internal predecessors, (97), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 05:14:48,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 185 transitions. [2023-11-19 05:14:48,490 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 185 transitions. Word has length 151 [2023-11-19 05:14:48,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:48,492 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 185 transitions. [2023-11-19 05:14:48,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:48,493 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 185 transitions. [2023-11-19 05:14:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 05:14:48,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:48,500 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:48,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/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 05:14:48,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:48,716 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:48,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:48,717 INFO L85 PathProgramCache]: Analyzing trace with hash 2074256769, now seen corresponding path program 1 times [2023-11-19 05:14:48,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:48,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710509208] [2023-11-19 05:14:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:48,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:48,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:48,722 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:48,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/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 05:14:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:49,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:14:49,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:14:49,434 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:49,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:49,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710509208] [2023-11-19 05:14:49,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1710509208] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:49,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:49,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:14:49,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813969222] [2023-11-19 05:14:49,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:49,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:14:49,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:49,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:14:49,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:14:49,442 INFO L87 Difference]: Start difference. First operand 124 states and 185 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:51,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:51,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:51,879 INFO L93 Difference]: Finished difference Result 206 states and 306 transitions. [2023-11-19 05:14:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:14:51,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2023-11-19 05:14:51,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:51,884 INFO L225 Difference]: With dead ends: 206 [2023-11-19 05:14:51,884 INFO L226 Difference]: Without dead ends: 128 [2023-11-19 05:14:51,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:14:51,887 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 43 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:51,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 180 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-19 05:14:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-19 05:14:51,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2023-11-19 05:14:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 80 states have (on average 1.2375) internal successors, (99), 80 states have internal predecessors, (99), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 05:14:51,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 187 transitions. [2023-11-19 05:14:51,919 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 187 transitions. Word has length 151 [2023-11-19 05:14:51,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:51,920 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 187 transitions. [2023-11-19 05:14:51,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 187 transitions. [2023-11-19 05:14:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 05:14:51,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:51,923 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:51,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/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 05:14:52,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:52,141 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:52,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:52,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1519645949, now seen corresponding path program 1 times [2023-11-19 05:14:52,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:52,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112889868] [2023-11-19 05:14:52,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:52,144 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:52,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:52,146 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:52,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33d53217-c919-4de5-b701-652eed597d25/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 05:14:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:52,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 05:14:52,861 INFO L285 TraceCheckSpWp]: Computing forward predicates...