./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:17:35,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:17:35,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:17:35,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:17:35,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:17:35,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:17:35,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:17:35,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:17:35,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:17:35,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:17:35,967 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:17:35,968 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:17:35,968 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:17:35,969 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:17:35,969 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:17:35,970 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:17:35,971 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:17:35,971 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:17:35,972 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:17:35,972 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:17:35,973 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:17:35,974 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:17:35,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:17:35,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:17:35,976 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:17:35,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:17:35,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:17:35,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:17:35,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:17:35,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:17:35,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:17:35,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:17:35,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:17:35,980 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:17:35,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:17:35,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:17:35,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:35,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:17:35,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:17:35,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:17:35,982 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:17:35,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:17:35,983 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:17:35,983 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:17:35,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:17:35,984 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_293e8fe4-a6f7-4906-9387-4591da5d9c66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2023-11-19 05:17:36,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:17:36,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:17:36,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:17:36,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:17:36,253 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:17:36,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-19 05:17:39,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:17:39,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:17:39,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-19 05:17:39,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/data/8e0eabb68/0e61da314c1b44d29e4af18c58c60686/FLAG0c78e7e78 [2023-11-19 05:17:39,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/data/8e0eabb68/0e61da314c1b44d29e4af18c58c60686 [2023-11-19 05:17:39,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:17:39,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:17:39,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:39,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:17:39,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:17:39,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:39" (1/1) ... [2023-11-19 05:17:39,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667c87c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:39, skipping insertion in model container [2023-11-19 05:17:39,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:39" (1/1) ... [2023-11-19 05:17:39,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:17:39,898 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_293e8fe4-a6f7-4906-9387-4591da5d9c66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-19 05:17:39,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:40,006 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:17:40,022 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_293e8fe4-a6f7-4906-9387-4591da5d9c66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-19 05:17:40,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:40,083 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:17:40,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40 WrapperNode [2023-11-19 05:17:40,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:40,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:40,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:17:40,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:17:40,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,169 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-19 05:17:40,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:40,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:17:40,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:17:40,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:17:40,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:17:40,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:17:40,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:17:40,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:17:40,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (1/1) ... [2023-11-19 05:17:40,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:40,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:40,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:17:40,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:17:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:17:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:17:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:17:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:17:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:17:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:17:40,494 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:17:40,500 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:17:41,134 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:17:41,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:17:41,553 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:17:41,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:41 BoogieIcfgContainer [2023-11-19 05:17:41,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:17:41,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:17:41,565 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:17:41,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:17:41,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:17:39" (1/3) ... [2023-11-19 05:17:41,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77551214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:41, skipping insertion in model container [2023-11-19 05:17:41,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:40" (2/3) ... [2023-11-19 05:17:41,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77551214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:41, skipping insertion in model container [2023-11-19 05:17:41,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:41" (3/3) ... [2023-11-19 05:17:41,574 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-19 05:17:41,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:17:41,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:17:41,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:17:41,675 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;@d0699cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:17:41,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:17:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:17:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 05:17:41,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:41,698 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:41,699 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:41,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:41,708 INFO L85 PathProgramCache]: Analyzing trace with hash 203937416, now seen corresponding path program 1 times [2023-11-19 05:17:41,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:17:41,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320431388] [2023-11-19 05:17:41,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:41,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:17:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:17:42,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:17:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:17:43,682 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:17:43,685 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:17:43,687 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:17:43,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:17:43,695 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:17:43,708 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:17:43,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:17:43 BoogieIcfgContainer [2023-11-19 05:17:43,864 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:17:43,866 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:17:43,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:17:43,867 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:17:43,867 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:41" (3/4) ... [2023-11-19 05:17:43,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:17:43,874 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:17:43,876 INFO L158 Benchmark]: Toolchain (without parser) took 4178.12ms. Allocated memory was 132.1MB in the beginning and 226.5MB in the end (delta: 94.4MB). Free memory was 86.2MB in the beginning and 173.4MB in the end (delta: -87.2MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-19 05:17:43,877 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:17:43,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.34ms. Allocated memory is still 132.1MB. Free memory was 86.1MB in the beginning and 71.1MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:17:43,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.41ms. Allocated memory is still 132.1MB. Free memory was 71.1MB in the beginning and 66.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:17:43,881 INFO L158 Benchmark]: Boogie Preprocessor took 59.08ms. Allocated memory is still 132.1MB. Free memory was 66.1MB in the beginning and 64.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:17:43,886 INFO L158 Benchmark]: RCFGBuilder took 1329.78ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 64.0MB in the beginning and 87.2MB in the end (delta: -23.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-19 05:17:43,888 INFO L158 Benchmark]: TraceAbstraction took 2299.84ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 86.2MB in the beginning and 174.5MB in the end (delta: -88.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-11-19 05:17:43,888 INFO L158 Benchmark]: Witness Printer took 8.32ms. Allocated memory is still 226.5MB. Free memory was 174.5MB in the beginning and 173.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:17:43,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.34ms. Allocated memory is still 132.1MB. Free memory was 86.1MB in the beginning and 71.1MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.41ms. Allocated memory is still 132.1MB. Free memory was 71.1MB in the beginning and 66.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.08ms. Allocated memory is still 132.1MB. Free memory was 66.1MB in the beginning and 64.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1329.78ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 64.0MB in the beginning and 87.2MB in the end (delta: -23.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2299.84ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 86.2MB in the beginning and 174.5MB in the end (delta: -88.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 8.32ms. Allocated memory is still 226.5MB. Free memory was 174.5MB in the beginning and 173.4MB 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 someBinaryDOUBLEComparisonOperation at line 138, overapproximation of bitwiseOr at line 54, overapproximation of shiftLeft at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned short int var_1_4 = 58792; [L24] unsigned short int var_1_5 = 8; [L25] unsigned short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 16; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = 1000; [L30] signed short int var_1_11 = 1; [L31] signed short int var_1_12 = -25; [L32] signed short int var_1_13 = 25; [L33] unsigned short int var_1_14 = 5; [L34] unsigned short int var_1_16 = 20511; [L35] unsigned long int var_1_17 = 50; [L36] unsigned short int var_1_18 = 10; [L37] unsigned short int var_1_19 = 2; [L38] unsigned short int var_1_20 = 0; [L39] double var_1_21 = 9.15; [L40] double var_1_22 = 128.5; [L41] unsigned char var_1_23 = 1; [L42] double var_1_24 = 1.125; [L43] unsigned char var_1_25 = 1; [L44] unsigned char var_1_26 = 0; [L45] unsigned char var_1_27 = 1; [L46] unsigned char last_1_var_1_8 = 0; [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] CALL updateLastVariables() [L147] last_1_var_1_8 = var_1_8 [L157] RET updateLastVariables() [L158] CALL updateVariables() [L107] var_1_4 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L110] var_1_5 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L113] var_1_6 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16, var_1_8=0, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16, var_1_8=0, var_1_9=1] [L116] var_1_7 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L119] var_1_9 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L122] var_1_11 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L125] var_1_12 = __VERIFIER_nondet_short() [L126] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L127] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L128] var_1_13 = __VERIFIER_nondet_short() [L129] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L131] var_1_16 = __VERIFIER_nondet_ushort() [L132] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L133] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L134] var_1_20 = __VERIFIER_nondet_ushort() [L135] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L136] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L137] var_1_22 = __VERIFIER_nondet_double() [L138] 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_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L138] 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_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L139] var_1_26 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L142] var_1_27 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_27 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_27 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L158] RET updateVariables() [L159] CALL step() [L50] var_1_19 = var_1_20 [L51] var_1_21 = var_1_22 [L52] var_1_23 = 0 [L53] var_1_24 = var_1_22 [L54] EXPR 64 ^ var_1_19 [L54] COND FALSE !(var_1_20 != (64 ^ var_1_19)) [L61] var_1_25 = var_1_27 [L63] unsigned short int stepLocal_1 = var_1_6; [L64] unsigned char stepLocal_0 = last_1_var_1_8; [L65] COND FALSE !(last_1_var_1_8 && stepLocal_0) [L68] COND TRUE ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < stepLocal_1 [L69] var_1_1 = var_1_5 [L72] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) [L73] COND TRUE \read(var_1_8) [L74] var_1_14 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))) [L76] EXPR var_1_16 << var_1_7 [L76] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L76] EXPR var_1_16 << var_1_7 [L76] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L76] signed long int stepLocal_4 = (((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7))); [L77] COND FALSE !(stepLocal_4 >= var_1_14) [L80] var_1_17 = (var_1_6 + var_1_5) [L82] unsigned short int stepLocal_5 = var_1_5; [L83] COND TRUE stepLocal_5 == var_1_16 [L84] COND TRUE \read(var_1_8) [L85] var_1_18 = (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))) [L94] unsigned char stepLocal_3 = var_1_9; [L95] unsigned long int stepLocal_2 = var_1_17; [L96] COND FALSE !(stepLocal_2 < var_1_6) [L103] var_1_10 = var_1_13 [L159] RET step() [L160] CALL, EXPR property() [L150] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L150] EXPR var_1_16 << var_1_7 [L150] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L150] EXPR var_1_16 << var_1_7 [L150] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L150] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L150-L151] return ((((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5))))) && ((var_1_5 == var_1_16) ? (var_1_8 ? (var_1_18 == ((unsigned short int) (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))))) : (var_1_18 == ((unsigned short int) var_1_4))) : (var_1_9 ? (var_1_18 == ((unsigned short int) 200)) : 1)) ; [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=0, var_1_10=32765, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=32767, var_1_16=16383, var_1_17=49150, var_1_18=30393, var_1_19=65534, var_1_1=16383, var_1_20=65534, var_1_21=163844, var_1_22=163844, var_1_23=0, var_1_24=163844, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=0, var_1_10=32765, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=32767, var_1_16=16383, var_1_17=49150, var_1_18=30393, var_1_19=65534, var_1_1=16383, var_1_20=65534, var_1_21=163844, var_1_22=163844, var_1_23=0, var_1_24=163844, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 25, 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=47occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 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 05:17:43,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:17:46,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:17:46,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:17:46,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:17:46,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:17:46,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:17:46,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:17:46,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:17:46,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:17:46,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:17:46,857 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:17:46,858 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:17:46,858 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:17:46,860 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:17:46,861 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:17:46,861 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:17:46,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:17:46,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:17:46,863 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:17:46,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:17:46,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:17:46,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:17:46,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:17:46,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:17:46,867 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:17:46,868 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:17:46,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:17:46,869 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:17:46,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:17:46,870 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:17:46,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:17:46,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:17:46,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:17:46,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:46,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:17:46,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:17:46,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:17:46,874 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:17:46,874 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:17:46,875 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:17:46,876 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:17:46,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:17:46,876 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_293e8fe4-a6f7-4906-9387-4591da5d9c66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2023-11-19 05:17:47,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:17:47,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:17:47,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:17:47,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:17:47,369 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:17:47,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-19 05:17:50,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:17:50,769 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:17:50,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-19 05:17:50,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/data/f80033c73/dba66f0d436647c594b40ec2d3aa81b2/FLAGc342f98b5 [2023-11-19 05:17:50,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/data/f80033c73/dba66f0d436647c594b40ec2d3aa81b2 [2023-11-19 05:17:50,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:17:50,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:17:50,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:50,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:17:50,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:17:50,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:50" (1/1) ... [2023-11-19 05:17:50,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576ad9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:50, skipping insertion in model container [2023-11-19 05:17:50,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:50" (1/1) ... [2023-11-19 05:17:50,880 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:17:51,053 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_293e8fe4-a6f7-4906-9387-4591da5d9c66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-19 05:17:51,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:51,205 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:17:51,223 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_293e8fe4-a6f7-4906-9387-4591da5d9c66/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-19 05:17:51,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:51,307 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:17:51,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51 WrapperNode [2023-11-19 05:17:51,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:51,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:51,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:17:51,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:17:51,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,398 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-19 05:17:51,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:51,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:17:51,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:17:51,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:17:51,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:17:51,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:17:51,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:17:51,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:17:51,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (1/1) ... [2023-11-19 05:17:51,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:51,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:51,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:17:51,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:17:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:17:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:17:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:17:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:17:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:17:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:17:51,728 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:17:51,730 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:17:52,125 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:17:52,134 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:17:52,135 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:17:52,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:52 BoogieIcfgContainer [2023-11-19 05:17:52,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:17:52,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:17:52,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:17:52,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:17:52,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:17:50" (1/3) ... [2023-11-19 05:17:52,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42aa33e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:52, skipping insertion in model container [2023-11-19 05:17:52,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:51" (2/3) ... [2023-11-19 05:17:52,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42aa33e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:52, skipping insertion in model container [2023-11-19 05:17:52,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:52" (3/3) ... [2023-11-19 05:17:52,153 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-19 05:17:52,173 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:17:52,173 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:17:52,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:17:52,250 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;@fb20b77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:17:52,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:17:52,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:17:52,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 05:17:52,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:52,279 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:52,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:52,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:52,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1076735324, now seen corresponding path program 1 times [2023-11-19 05:17:52,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:52,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395700416] [2023-11-19 05:17:52,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:52,307 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 05:17:52,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:52,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:17:52,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:17:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:52,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:17:52,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-19 05:17:52,638 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:52,639 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:52,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395700416] [2023-11-19 05:17:52,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395700416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:52,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:52,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:52,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729704006] [2023-11-19 05:17:52,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:52,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:17:52,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:52,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:17:52,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:52,682 INFO L87 Difference]: Start difference. First operand has 73 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:17:52,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:52,716 INFO L93 Difference]: Finished difference Result 139 states and 241 transitions. [2023-11-19 05:17:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:17:52,719 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 159 [2023-11-19 05:17:52,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:52,728 INFO L225 Difference]: With dead ends: 139 [2023-11-19 05:17:52,728 INFO L226 Difference]: Without dead ends: 69 [2023-11-19 05:17:52,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 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 05:17:52,736 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:52,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:17:52,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-19 05:17:52,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-19 05:17:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:17:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2023-11-19 05:17:52,789 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 159 [2023-11-19 05:17:52,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:52,789 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2023-11-19 05:17:52,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:17:52,790 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2023-11-19 05:17:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 05:17:52,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:52,795 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:52,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:17:53,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:17:53,001 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:53,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:53,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1777743974, now seen corresponding path program 1 times [2023-11-19 05:17:53,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:53,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2101713895] [2023-11-19 05:17:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:53,006 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 05:17:53,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:53,007 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:17:53,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:17:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:53,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:17:53,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 05:17:53,668 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:53,669 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:53,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2101713895] [2023-11-19 05:17:53,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2101713895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:53,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:53,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:17:53,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469354636] [2023-11-19 05:17:53,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:53,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:17:53,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:53,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:17:53,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:17:53,673 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:17:53,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:53,953 INFO L93 Difference]: Finished difference Result 233 states and 350 transitions. [2023-11-19 05:17:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:17:53,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 159 [2023-11-19 05:17:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:53,960 INFO L225 Difference]: With dead ends: 233 [2023-11-19 05:17:53,960 INFO L226 Difference]: Without dead ends: 167 [2023-11-19 05:17:53,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:17:53,963 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 97 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:53,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 326 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:17:53,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-19 05:17:53,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 130. [2023-11-19 05:17:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 77 states have internal predecessors, (97), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 05:17:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 197 transitions. [2023-11-19 05:17:54,002 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 197 transitions. Word has length 159 [2023-11-19 05:17:54,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:54,003 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 197 transitions. [2023-11-19 05:17:54,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:17:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 197 transitions. [2023-11-19 05:17:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 05:17:54,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:54,007 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:54,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:17:54,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:17:54,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:54,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:54,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1529694127, now seen corresponding path program 1 times [2023-11-19 05:17:54,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:54,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520535680] [2023-11-19 05:17:54,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:54,215 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 05:17:54,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:54,236 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:17:54,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:17:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:54,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 05:17:54,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 831 proven. 234 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-19 05:17:58,756 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:18:00,661 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:18:00,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520535680] [2023-11-19 05:18:00,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520535680] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:18:00,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1703487886] [2023-11-19 05:18:00,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:00,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:18:00,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:18:00,667 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:18:00,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:18:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:01,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 05:18:01,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:18:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 806 proven. 231 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-11-19 05:18:04,197 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:18:04,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1703487886] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:18:04,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087398473] [2023-11-19 05:18:04,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:04,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:18:04,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:18:04,986 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:18:04,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 05:18:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:05,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 05:18:05,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:18:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 831 proven. 234 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-19 05:18:07,321 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:18:08,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087398473] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:18:08,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 05:18:08,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26, 29] total 33 [2023-11-19 05:18:08,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113291474] [2023-11-19 05:18:08,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 05:18:08,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-19 05:18:08,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:18:08,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-19 05:18:08,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=1636, Unknown=0, NotChecked=0, Total=1980 [2023-11-19 05:18:08,095 INFO L87 Difference]: Start difference. First operand 130 states and 197 transitions. Second operand has 33 states, 33 states have (on average 2.787878787878788) internal successors, (92), 32 states have internal predecessors, (92), 8 states have call successors, (32), 8 states have call predecessors, (32), 14 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2023-11-19 05:18:14,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:18:14,690 INFO L93 Difference]: Finished difference Result 471 states and 627 transitions. [2023-11-19 05:18:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-19 05:18:14,696 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.787878787878788) internal successors, (92), 32 states have internal predecessors, (92), 8 states have call successors, (32), 8 states have call predecessors, (32), 14 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 160 [2023-11-19 05:18:14,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:18:14,702 INFO L225 Difference]: With dead ends: 471 [2023-11-19 05:18:14,702 INFO L226 Difference]: Without dead ends: 344 [2023-11-19 05:18:14,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1362 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1082, Invalid=4174, Unknown=0, NotChecked=0, Total=5256 [2023-11-19 05:18:14,708 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 515 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:18:14,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 562 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-19 05:18:14,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-11-19 05:18:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 240. [2023-11-19 05:18:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 167 states have (on average 1.2095808383233533) internal successors, (202), 169 states have internal predecessors, (202), 54 states have call successors, (54), 18 states have call predecessors, (54), 18 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 05:18:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 310 transitions. [2023-11-19 05:18:14,756 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 310 transitions. Word has length 160 [2023-11-19 05:18:14,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:18:14,757 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 310 transitions. [2023-11-19 05:18:14,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.787878787878788) internal successors, (92), 32 states have internal predecessors, (92), 8 states have call successors, (32), 8 states have call predecessors, (32), 14 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2023-11-19 05:18:14,758 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 310 transitions. [2023-11-19 05:18:14,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 05:18:14,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:14,761 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:18:14,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 05:18:14,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:18:15,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:18:15,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:18:15,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:15,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:15,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1097369775, now seen corresponding path program 1 times [2023-11-19 05:18:15,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:18:15,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631827223] [2023-11-19 05:18:15,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:15,369 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 05:18:15,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:18:15,371 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/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 05:18:15,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293e8fe4-a6f7-4906-9387-4591da5d9c66/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 05:18:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:15,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 05:18:15,572 INFO L285 TraceCheckSpWp]: Computing forward predicates...