./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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_fa37764e-f1aa-4db8-961b-e1cacab38463/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 11d74a543cee1f351191abd3a7069f7bb4ba76af68915de79e2fa012ba9bfe73 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:11:27,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:11:27,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:11:27,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:11:27,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:11:27,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:11:27,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:11:27,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:11:27,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:11:27,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:11:27,942 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:11:27,943 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:11:27,944 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:11:27,946 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:11:27,947 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:11:27,947 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:11:27,948 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:11:27,948 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:11:27,949 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:11:27,950 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:11:27,950 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:11:27,951 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:11:27,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:11:27,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:11:27,953 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:11:27,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:11:27,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:11:27,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:11:27,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:11:27,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:11:27,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:11:27,957 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:11:27,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:11:27,958 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:11:27,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:11:27,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:11:27,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:11:27,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:11:27,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:11:27,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:11:27,960 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:11:27,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:11:27,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:11:27,961 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:11:27,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:11:27,962 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_fa37764e-f1aa-4db8-961b-e1cacab38463/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d74a543cee1f351191abd3a7069f7bb4ba76af68915de79e2fa012ba9bfe73 [2023-11-19 04:11:28,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:11:28,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:11:28,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:11:28,414 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:11:28,415 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:11:28,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i [2023-11-19 04:11:31,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:11:32,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:11:32,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i [2023-11-19 04:11:32,140 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/data/46f41b15c/c4bdad42acd1443dad4734ec80811839/FLAG643d8ab32 [2023-11-19 04:11:32,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/data/46f41b15c/c4bdad42acd1443dad4734ec80811839 [2023-11-19 04:11:32,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:11:32,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:11:32,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:11:32,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:11:32,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:11:32,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb5820b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32, skipping insertion in model container [2023-11-19 04:11:32,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:11:32,415 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_fa37764e-f1aa-4db8-961b-e1cacab38463/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i[916,929] [2023-11-19 04:11:32,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:11:32,542 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:11:32,562 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_fa37764e-f1aa-4db8-961b-e1cacab38463/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i[916,929] [2023-11-19 04:11:32,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:11:32,658 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:11:32,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32 WrapperNode [2023-11-19 04:11:32,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:11:32,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:11:32,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:11:32,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:11:32,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,788 INFO L138 Inliner]: procedures = 29, calls = 168, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 453 [2023-11-19 04:11:32,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:11:32,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:11:32,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:11:32,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:11:32,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:11:32,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:11:32,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:11:32,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:11:32,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (1/1) ... [2023-11-19 04:11:32,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:11:32,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:11:32,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:11:33,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:11:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:11:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:11:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:11:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:11:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:11:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:11:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:11:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:11:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:11:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:11:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:11:33,235 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:11:33,238 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:11:34,086 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:11:35,165 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:11:35,165 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:11:35,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:35 BoogieIcfgContainer [2023-11-19 04:11:35,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:11:35,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:11:35,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:11:35,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:11:35,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:11:32" (1/3) ... [2023-11-19 04:11:35,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d22b73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:35, skipping insertion in model container [2023-11-19 04:11:35,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:32" (2/3) ... [2023-11-19 04:11:35,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d22b73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:35, skipping insertion in model container [2023-11-19 04:11:35,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:35" (3/3) ... [2023-11-19 04:11:35,191 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-30.i [2023-11-19 04:11:35,216 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:11:35,217 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:11:35,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:11:35,308 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;@451ff59d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:11:35,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:11:35,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:11:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:11:35,331 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:35,332 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:11:35,333 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:35,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:35,342 INFO L85 PathProgramCache]: Analyzing trace with hash -873250911, now seen corresponding path program 1 times [2023-11-19 04:11:35,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:35,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122148893] [2023-11-19 04:11:35,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:35,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:11:35,735 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:11:35,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877451122] [2023-11-19 04:11:35,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:35,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:11:35,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:11:35,743 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:11:35,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:11:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:11:37,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:11:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:11:39,220 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:11:39,224 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:11:39,226 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:11:39,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:11:39,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:11:39,446 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:11:39,451 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:11:39,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 04:11:39,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 04:11:39,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 04:11:39,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 04:11:39,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:11:39,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:11:39,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:11:39,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:11:39,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 04:11:39,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 04:11:39,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:11:39,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:11:39,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 04:11:39,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 04:11:39,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 04:11:39,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 04:11:39,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:11:39,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:11:39,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:11:39,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:11:39,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:11:39,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:11:39,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:11:39,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:11:39,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 04:11:39,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 04:11:39,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 04:11:39,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 04:11:39,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 04:11:39,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 04:11:39,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 04:11:39,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-19 04:11:39,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 04:11:39,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 04:11:39,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:11:39,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 04:11:39,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 04:11:39,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 04:11:39,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 04:11:39,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 04:11:39,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:11:39,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-19 04:11:39,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 04:11:39,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 04:11:39,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-19 04:11:39,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-19 04:11:39,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 04:11:39,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-19 04:11:39,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:11:39,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 04:11:39,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-19 04:11:39,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 04:11:39,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-19 04:11:39,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:11:39,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 04:11:39,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-19 04:11:39,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-19 04:11:39,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-19 04:11:39,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-19 04:11:39,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-11-19 04:11:39,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-19 04:11:39,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 04:11:39,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 04:11:39,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-19 04:11:39,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 04:11:39,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-11-19 04:11:39,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-19 04:11:39,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-19 04:11:39,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 04:11:39,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-19 04:11:39,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:11:39 BoogieIcfgContainer [2023-11-19 04:11:39,593 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:11:39,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:11:39,594 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:11:39,595 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:11:39,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:35" (3/4) ... [2023-11-19 04:11:39,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:11:39,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:11:39,604 INFO L158 Benchmark]: Toolchain (without parser) took 7435.45ms. Allocated memory was 134.2MB in the beginning and 222.3MB in the end (delta: 88.1MB). Free memory was 94.3MB in the beginning and 163.6MB in the end (delta: -69.3MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-19 04:11:39,605 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:11:39,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.85ms. Allocated memory is still 134.2MB. Free memory was 94.3MB in the beginning and 77.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:11:39,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.78ms. Allocated memory is still 134.2MB. Free memory was 77.8MB in the beginning and 72.9MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:11:39,613 INFO L158 Benchmark]: Boogie Preprocessor took 150.10ms. Allocated memory is still 134.2MB. Free memory was 72.9MB in the beginning and 69.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:11:39,615 INFO L158 Benchmark]: RCFGBuilder took 2225.94ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 69.1MB in the beginning and 118.1MB in the end (delta: -49.0MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2023-11-19 04:11:39,616 INFO L158 Benchmark]: TraceAbstraction took 4414.43ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 117.1MB in the beginning and 163.6MB in the end (delta: -46.5MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2023-11-19 04:11:39,617 INFO L158 Benchmark]: Witness Printer took 8.72ms. Allocated memory is still 222.3MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:11:39,628 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.85ms. Allocated memory is still 134.2MB. Free memory was 94.3MB in the beginning and 77.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.78ms. Allocated memory is still 134.2MB. Free memory was 77.8MB in the beginning and 72.9MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.10ms. Allocated memory is still 134.2MB. Free memory was 72.9MB in the beginning and 69.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2225.94ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 69.1MB in the beginning and 118.1MB in the end (delta: -49.0MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4414.43ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 117.1MB in the beginning and 163.6MB in the end (delta: -46.5MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * Witness Printer took 8.72ms. Allocated memory is still 222.3MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of shiftLeft at line 79, overapproximation of someUnaryFLOAToperation at line 85, overapproximation of someBinaryArithmeticFLOAToperation at line 85. Possible FailurePath: [L37] unsigned char isInitial = 0; [L38-L52] struct WrapperStruct00 WrapperStruct00 = { 64, 0, 8, -32, 128, 10, 2, 0, 32.5, 127.8, 999.25, 1000000000.5, 256.6 }; [L53] signed long int last_1_WrapperStruct00_var_1_10 = 0; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L118] EXPR WrapperStruct00.var_1_10 [L118] last_1_WrapperStruct00_var_1_10 = WrapperStruct00.var_1_10 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L90] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L92] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L93] WrapperStruct00.var_1_5 = __VERIFIER_nondet_short() [L94] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= -32768) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= -32768) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L95] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L96] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_5 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_5 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L97] WrapperStruct00.var_1_6 = __VERIFIER_nondet_short() [L98] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= -32768) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= -32768) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L99] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L100] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_6 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_6 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L101] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L102] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L103] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L104] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L105] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L106] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L107] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L109] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L110] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L111] EXPR WrapperStruct00.var_1_13 [L111] EXPR WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_13 [L111] EXPR WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L111] EXPR (WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L112] WrapperStruct00.var_1_14 = __VERIFIER_nondet_float() [L113] EXPR WrapperStruct00.var_1_14 [L113] EXPR WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L113] EXPR WrapperStruct00.var_1_14 [L113] EXPR WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L113] EXPR (WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L113] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L114] WrapperStruct00.var_1_15 = __VERIFIER_nondet_float() [L115] EXPR WrapperStruct00.var_1_15 [L115] EXPR WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F [L115] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) [L115] EXPR WrapperStruct00.var_1_15 [L115] EXPR WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F [L115] EXPR WrapperStruct00.var_1_15 [L115] EXPR WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F [L115] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L115] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L129] RET updateVariables() [L130] CALL step() [L57] EXPR WrapperStruct00.var_1_5 [L57] EXPR WrapperStruct00.var_1_6 [L57] signed long int stepLocal_0 = (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6; [L58] WrapperStruct00.var_1_2 [L58] COND TRUE WrapperStruct00.var_1_2 [L59] COND FALSE !(last_1_WrapperStruct00_var_1_10 > stepLocal_0) [L65] EXPR WrapperStruct00.var_1_1 [L65] unsigned char stepLocal_2 = WrapperStruct00.var_1_1; [L66] EXPR WrapperStruct00.var_1_1 [L66] EXPR WrapperStruct00.var_1_1 [L66] signed long int stepLocal_1 = WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1; [L67] EXPR WrapperStruct00.var_1_6 [L67] COND TRUE stepLocal_1 < WrapperStruct00.var_1_6 [L68] WrapperStruct00.var_1_2 [L68] COND TRUE WrapperStruct00.var_1_2 [L69] EXPR WrapperStruct00.var_1_5 [L69] COND FALSE !(WrapperStruct00.var_1_5 > stepLocal_2) [L78] EXPR WrapperStruct00.var_1_1 [L78] unsigned char stepLocal_4 = WrapperStruct00.var_1_1; [L79] EXPR WrapperStruct00.var_1_9 [L79] EXPR WrapperStruct00.var_1_5 [L79] EXPR WrapperStruct00.var_1_6 [L79] EXPR (WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6 [L79] signed long int stepLocal_3 = (WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6; [L80] EXPR WrapperStruct00.var_1_10 [L80] COND TRUE stepLocal_4 > WrapperStruct00.var_1_10 [L81] EXPR WrapperStruct00.var_1_1 [L81] COND TRUE WrapperStruct00.var_1_1 <= stepLocal_3 [L82] EXPR WrapperStruct00.var_1_13 [L82] EXPR WrapperStruct00.var_1_14 [L82] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14) [L87] EXPR WrapperStruct00.var_1_15 [L87] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_15 [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR WrapperStruct00.var_1_2 [L121] EXPR WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9)) [L121] EXPR WrapperStruct00.var_1_5 [L121] EXPR WrapperStruct00.var_1_6 [L121] EXPR (last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1 [L121] EXPR WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9)) [L121] EXPR (WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9))) [L121] EXPR WrapperStruct00.var_1_1 [L121] EXPR WrapperStruct00.var_1_1 [L121] EXPR WrapperStruct00.var_1_6 [L121] EXPR ((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)) [L121] EXPR WrapperStruct00.var_1_2 [L121] EXPR WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8)) [L121] EXPR WrapperStruct00.var_1_5 [L121] EXPR WrapperStruct00.var_1_1 [L121] EXPR (WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1 [L121] EXPR WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8)) [L121] EXPR ((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)) [L121] EXPR (WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9))) [L121] EXPR ((WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)))) && ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15)))) [L121] EXPR WrapperStruct00.var_1_1 [L121] EXPR WrapperStruct00.var_1_10 [L121] EXPR (WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15))) [L121] EXPR WrapperStruct00.var_1_1 [L121] EXPR WrapperStruct00.var_1_9 [L121] EXPR WrapperStruct00.var_1_5 [L121] EXPR WrapperStruct00.var_1_6 [L121] EXPR (WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6 [L121] EXPR (WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1 [L121] EXPR WrapperStruct00.var_1_11 [L121] EXPR WrapperStruct00.var_1_13 [L121] EXPR WrapperStruct00.var_1_14 [L121] EXPR (WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1 [L121] EXPR (WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15))) [L121] EXPR ((WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)))) && ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15)))) [L121] EXPR (((WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)))) && ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15))))) && (WrapperStruct00.var_1_16 == ((float) WrapperStruct00.var_1_15)) [L121-L122] return (((WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)))) && ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15))))) && (WrapperStruct00.var_1_16 == ((float) WrapperStruct00.var_1_15)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 1, TraceHistogramMax: 17, 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=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:11:39,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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_fa37764e-f1aa-4db8-961b-e1cacab38463/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 11d74a543cee1f351191abd3a7069f7bb4ba76af68915de79e2fa012ba9bfe73 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:11:42,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:11:42,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:11:42,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:11:42,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:11:42,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:11:42,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:11:42,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:11:42,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:11:42,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:11:42,919 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:11:42,920 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:11:42,920 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:11:42,922 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:11:42,922 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:11:42,923 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:11:42,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:11:42,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:11:42,925 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:11:42,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:11:42,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:11:42,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:11:42,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:11:42,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:11:42,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:11:42,929 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:11:42,929 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:11:42,930 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:11:42,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:11:42,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:11:42,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:11:42,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:11:42,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:11:42,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:11:42,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:11:42,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:11:42,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:11:42,934 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:11:42,934 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:11:42,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:11:42,936 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:11:42,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:11:42,936 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_fa37764e-f1aa-4db8-961b-e1cacab38463/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d74a543cee1f351191abd3a7069f7bb4ba76af68915de79e2fa012ba9bfe73 [2023-11-19 04:11:43,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:11:43,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:11:43,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:11:43,520 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:11:43,521 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:11:43,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i [2023-11-19 04:11:47,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:11:47,326 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:11:47,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i [2023-11-19 04:11:47,340 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/data/c16a0ec4f/df34eefa4eeb4c2d9dc737c112c0225a/FLAGf9b3dd597 [2023-11-19 04:11:47,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/data/c16a0ec4f/df34eefa4eeb4c2d9dc737c112c0225a [2023-11-19 04:11:47,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:11:47,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:11:47,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:11:47,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:11:47,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:11:47,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:47,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6c60a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47, skipping insertion in model container [2023-11-19 04:11:47,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:47,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:11:47,597 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_fa37764e-f1aa-4db8-961b-e1cacab38463/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i[916,929] [2023-11-19 04:11:47,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:11:47,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:11:47,746 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_fa37764e-f1aa-4db8-961b-e1cacab38463/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i[916,929] [2023-11-19 04:11:47,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:11:47,890 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:11:47,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47 WrapperNode [2023-11-19 04:11:47,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:11:47,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:11:47,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:11:47,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:11:47,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:47,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:48,002 INFO L138 Inliner]: procedures = 36, calls = 168, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 443 [2023-11-19 04:11:48,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:11:48,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:11:48,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:11:48,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:11:48,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:48,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:48,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:48,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:48,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:48,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:48,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:48,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:48,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:11:48,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:11:48,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:11:48,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:11:48,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (1/1) ... [2023-11-19 04:11:48,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:11:48,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:11:48,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:11:48,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:11:48,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:11:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:11:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:11:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:11:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:11:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:11:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:11:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:11:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:11:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:11:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:11:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:11:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:11:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:11:48,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:11:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:11:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:11:48,395 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:11:48,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:11:49,809 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:11:49,825 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:11:49,826 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:11:49,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:49 BoogieIcfgContainer [2023-11-19 04:11:49,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:11:49,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:11:49,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:11:49,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:11:49,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:11:47" (1/3) ... [2023-11-19 04:11:49,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4f7609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:49, skipping insertion in model container [2023-11-19 04:11:49,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:47" (2/3) ... [2023-11-19 04:11:49,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4f7609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:49, skipping insertion in model container [2023-11-19 04:11:49,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:49" (3/3) ... [2023-11-19 04:11:49,850 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-30.i [2023-11-19 04:11:49,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:11:49,874 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:11:49,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:11:49,941 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;@2911424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:11:49,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:11:49,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 95 states have (on average 1.4105263157894736) internal successors, (134), 96 states have internal predecessors, (134), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:11:49,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 04:11:49,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:49,965 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:11:49,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:49,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:49,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2125365376, now seen corresponding path program 1 times [2023-11-19 04:11:49,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:11:49,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087232092] [2023-11-19 04:11:49,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:49,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:11:49,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:11:49,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:11:49,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:11:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:50,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:11:50,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:11:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-11-19 04:11:50,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:11:50,609 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:11:50,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087232092] [2023-11-19 04:11:50,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087232092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:50,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:50,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:11:50,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322619149] [2023-11-19 04:11:50,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:50,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:11:50,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:11:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:11:50,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:11:50,656 INFO L87 Difference]: Start difference. First operand has 115 states, 95 states have (on average 1.4105263157894736) internal successors, (134), 96 states have internal predecessors, (134), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:11:50,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:50,702 INFO L93 Difference]: Finished difference Result 223 states and 347 transitions. [2023-11-19 04:11:50,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:11:50,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2023-11-19 04:11:50,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:50,713 INFO L225 Difference]: With dead ends: 223 [2023-11-19 04:11:50,714 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 04:11:50,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 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 04:11:50,723 INFO L413 NwaCegarLoop]: 161 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, 161 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 04:11:50,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:11:50,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 04:11:50,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-19 04:11:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 92 states have (on average 1.3804347826086956) internal successors, (127), 92 states have internal predecessors, (127), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:11:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2023-11-19 04:11:50,782 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 136 [2023-11-19 04:11:50,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:50,783 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2023-11-19 04:11:50,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:11:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2023-11-19 04:11:50,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 04:11:50,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:50,788 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:11:50,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 04:11:51,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:11:51,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:51,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:51,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1684767002, now seen corresponding path program 1 times [2023-11-19 04:11:51,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:11:51,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215256295] [2023-11-19 04:11:51,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:51,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:11:51,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:11:51,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:11:51,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:11:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:51,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:11:51,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:11:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:11:51,728 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:11:51,728 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:11:51,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215256295] [2023-11-19 04:11:51,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215256295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:51,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:51,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:11:51,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845116723] [2023-11-19 04:11:51,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:51,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:11:51,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:11:51,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:11:51,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:11:51,744 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:11:51,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:51,944 INFO L93 Difference]: Finished difference Result 228 states and 331 transitions. [2023-11-19 04:11:51,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:11:51,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2023-11-19 04:11:51,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:51,950 INFO L225 Difference]: With dead ends: 228 [2023-11-19 04:11:51,950 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 04:11:51,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:11:51,953 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 10 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:11:51,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 613 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:11:51,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 04:11:51,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 115. [2023-11-19 04:11:51,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 96 states have internal predecessors, (131), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:11:51,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 165 transitions. [2023-11-19 04:11:51,983 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 165 transitions. Word has length 136 [2023-11-19 04:11:51,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:51,988 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 165 transitions. [2023-11-19 04:11:51,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:11:51,989 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2023-11-19 04:11:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 04:11:51,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:52,000 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:11:52,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:11:52,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:11:52,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:52,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:52,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1686614044, now seen corresponding path program 1 times [2023-11-19 04:11:52,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:11:52,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111843345] [2023-11-19 04:11:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:52,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:11:52,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:11:52,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:11:52,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 04:11:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:52,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:11:52,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:11:53,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-19 04:11:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 04:11:53,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:11:53,358 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:11:53,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111843345] [2023-11-19 04:11:53,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2111843345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:53,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:53,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:11:53,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023235660] [2023-11-19 04:11:53,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:53,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:11:53,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:11:53,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:11:53,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:11:53,362 INFO L87 Difference]: Start difference. First operand 115 states and 165 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:11:55,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:55,085 INFO L93 Difference]: Finished difference Result 233 states and 336 transitions. [2023-11-19 04:11:55,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:11:55,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2023-11-19 04:11:55,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:55,089 INFO L225 Difference]: With dead ends: 233 [2023-11-19 04:11:55,089 INFO L226 Difference]: Without dead ends: 121 [2023-11-19 04:11:55,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 04:11:55,093 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 110 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:11:55,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 454 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-19 04:11:55,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-19 04:11:55,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 115. [2023-11-19 04:11:55,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:11:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2023-11-19 04:11:55,112 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 136 [2023-11-19 04:11:55,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:55,113 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2023-11-19 04:11:55,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:11:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2023-11-19 04:11:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-19 04:11:55,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:55,117 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:11:55,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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)] Ended with exit code 0 [2023-11-19 04:11:55,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:11:55,329 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:55,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:55,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1559274848, now seen corresponding path program 1 times [2023-11-19 04:11:55,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:11:55,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [987571698] [2023-11-19 04:11:55,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:55,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:11:55,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:11:55,333 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:11:55,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:11:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:55,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:11:55,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:11:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-19 04:11:55,877 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:11:55,878 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:11:55,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [987571698] [2023-11-19 04:11:55,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [987571698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:55,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:55,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 04:11:55,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39079435] [2023-11-19 04:11:55,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:55,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:11:55,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:11:55,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:11:55,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:11:55,882 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:11:56,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:56,233 INFO L93 Difference]: Finished difference Result 231 states and 330 transitions. [2023-11-19 04:11:56,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 04:11:56,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2023-11-19 04:11:56,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:56,243 INFO L225 Difference]: With dead ends: 231 [2023-11-19 04:11:56,243 INFO L226 Difference]: Without dead ends: 117 [2023-11-19 04:11:56,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:11:56,245 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 7 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:11:56,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 651 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:11:56,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-19 04:11:56,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2023-11-19 04:11:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.34375) internal successors, (129), 96 states have internal predecessors, (129), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:11:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2023-11-19 04:11:56,259 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 138 [2023-11-19 04:11:56,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:56,260 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2023-11-19 04:11:56,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:11:56,260 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2023-11-19 04:11:56,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-19 04:11:56,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:56,263 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:11:56,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:11:56,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:11:56,475 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:56,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:56,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1049801758, now seen corresponding path program 1 times [2023-11-19 04:11:56,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:11:56,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684106449] [2023-11-19 04:11:56,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:56,484 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:11:56,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:11:56,490 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:11:56,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 04:11:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:57,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:11:57,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:11:57,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:11:57,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-19 04:11:57,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:11:57,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 33 [2023-11-19 04:11:57,309 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:11:57,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 18 [2023-11-19 04:11:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:11:57,382 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:11:57,383 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:11:57,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684106449] [2023-11-19 04:11:57,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684106449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:57,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:57,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:11:57,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156946626] [2023-11-19 04:11:57,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:57,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:11:57,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:11:57,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:11:57,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:11:57,390 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:12:00,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:00,409 INFO L93 Difference]: Finished difference Result 378 states and 532 transitions. [2023-11-19 04:12:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:12:00,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2023-11-19 04:12:00,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:00,416 INFO L225 Difference]: With dead ends: 378 [2023-11-19 04:12:00,416 INFO L226 Difference]: Without dead ends: 266 [2023-11-19 04:12:00,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:12:00,421 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 179 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:00,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 458 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-19 04:12:00,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-11-19 04:12:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 192. [2023-11-19 04:12:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 160 states have (on average 1.3375) internal successors, (214), 161 states have internal predecessors, (214), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:12:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 272 transitions. [2023-11-19 04:12:00,451 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 272 transitions. Word has length 138 [2023-11-19 04:12:00,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:00,452 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 272 transitions. [2023-11-19 04:12:00,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:12:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 272 transitions. [2023-11-19 04:12:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-19 04:12:00,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:00,456 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:00,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:12:00,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:12:00,669 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:00,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:00,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2014946084, now seen corresponding path program 1 times [2023-11-19 04:12:00,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:00,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589547410] [2023-11-19 04:12:00,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:00,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:12:00,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:00,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:12:00,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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 04:12:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:01,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:12:01,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:01,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:12:01,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 04:12:01,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 04:12:01,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 04:12:01,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-19 04:12:01,490 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:01,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 33 [2023-11-19 04:12:01,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:01,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 36 [2023-11-19 04:12:01,621 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:01,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 36 [2023-11-19 04:12:01,686 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:01,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 35 [2023-11-19 04:12:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:12:01,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:01,737 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:01,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589547410] [2023-11-19 04:12:01,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589547410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:01,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:01,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 04:12:01,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156298924] [2023-11-19 04:12:01,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:01,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:12:01,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:01,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:12:01,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:12:01,741 INFO L87 Difference]: Start difference. First operand 192 states and 272 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:12:05,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:05,253 INFO L93 Difference]: Finished difference Result 497 states and 700 transitions. [2023-11-19 04:12:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 04:12:05,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2023-11-19 04:12:05,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:05,257 INFO L225 Difference]: With dead ends: 497 [2023-11-19 04:12:05,257 INFO L226 Difference]: Without dead ends: 308 [2023-11-19 04:12:05,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2023-11-19 04:12:05,259 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 307 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:05,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 650 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-19 04:12:05,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-11-19 04:12:05,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 194. [2023-11-19 04:12:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 162 states have (on average 1.3333333333333333) internal successors, (216), 163 states have internal predecessors, (216), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:12:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 274 transitions. [2023-11-19 04:12:05,281 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 274 transitions. Word has length 139 [2023-11-19 04:12:05,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:05,282 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 274 transitions. [2023-11-19 04:12:05,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:12:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 274 transitions. [2023-11-19 04:12:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-19 04:12:05,285 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:05,285 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:05,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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)] Ended with exit code 0 [2023-11-19 04:12:05,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:12:05,497 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:05,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:05,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1931599471, now seen corresponding path program 1 times [2023-11-19 04:12:05,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:05,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432122682] [2023-11-19 04:12:05,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:05,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:12:05,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:05,499 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:12:05,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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 (8)] Waiting until timeout for monitored process [2023-11-19 04:12:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:06,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:12:06,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:06,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:12:06,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-19 04:12:06,464 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:06,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-19 04:12:06,714 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:06,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-19 04:12:06,890 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:06,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-19 04:12:07,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:07,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-19 04:12:07,280 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:07,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-19 04:12:07,412 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:07,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-19 04:12:07,540 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:07,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-19 04:12:07,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:07,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 53 [2023-11-19 04:12:08,051 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:08,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 56 [2023-11-19 04:12:08,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:08,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 56 [2023-11-19 04:12:08,130 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:08,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 24 [2023-11-19 04:12:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 78 proven. 45 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2023-11-19 04:12:08,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:12:08,478 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:12:08,479 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:08,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432122682] [2023-11-19 04:12:08,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432122682] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 04:12:08,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 04:12:08,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-11-19 04:12:08,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641479291] [2023-11-19 04:12:08,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:08,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:12:08,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:08,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:12:08,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-11-19 04:12:08,483 INFO L87 Difference]: Start difference. First operand 194 states and 274 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:12:10,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:10,403 INFO L93 Difference]: Finished difference Result 408 states and 575 transitions. [2023-11-19 04:12:10,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:12:10,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2023-11-19 04:12:10,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:10,412 INFO L225 Difference]: With dead ends: 408 [2023-11-19 04:12:10,412 INFO L226 Difference]: Without dead ends: 217 [2023-11-19 04:12:10,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-11-19 04:12:10,414 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 103 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:10,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 518 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-19 04:12:10,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-19 04:12:10,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 194. [2023-11-19 04:12:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 162 states have (on average 1.3271604938271604) internal successors, (215), 163 states have internal predecessors, (215), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:12:10,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 273 transitions. [2023-11-19 04:12:10,437 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 273 transitions. Word has length 139 [2023-11-19 04:12:10,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:10,439 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 273 transitions. [2023-11-19 04:12:10,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:12:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 273 transitions. [2023-11-19 04:12:10,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 04:12:10,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:10,443 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:10,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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 (8)] Forceful destruction successful, exit code 0 [2023-11-19 04:12:10,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:12:10,656 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:10,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:10,656 INFO L85 PathProgramCache]: Analyzing trace with hash -765470553, now seen corresponding path program 1 times [2023-11-19 04:12:10,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:10,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586974802] [2023-11-19 04:12:10,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:10,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:12:10,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:10,659 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:12:10,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 04:12:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:11,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:12:11,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:11,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:12:11,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 04:12:11,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 04:12:11,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 04:12:11,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-19 04:12:11,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:11,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 33 [2023-11-19 04:12:11,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:11,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 36 [2023-11-19 04:12:11,459 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:11,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 36 [2023-11-19 04:12:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:12:11,591 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:11,591 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:11,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586974802] [2023-11-19 04:12:11,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586974802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:11,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:11,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 04:12:11,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407541508] [2023-11-19 04:12:11,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:11,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 04:12:11,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:11,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 04:12:11,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:12:11,594 INFO L87 Difference]: Start difference. First operand 194 states and 273 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:12:15,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:15,152 INFO L93 Difference]: Finished difference Result 473 states and 661 transitions. [2023-11-19 04:12:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 04:12:15,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2023-11-19 04:12:15,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:15,156 INFO L225 Difference]: With dead ends: 473 [2023-11-19 04:12:15,156 INFO L226 Difference]: Without dead ends: 282 [2023-11-19 04:12:15,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-19 04:12:15,158 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 263 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:15,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 739 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-19 04:12:15,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-19 04:12:15,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 215. [2023-11-19 04:12:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 183 states have (on average 1.3333333333333333) internal successors, (244), 184 states have internal predecessors, (244), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:12:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 302 transitions. [2023-11-19 04:12:15,179 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 302 transitions. Word has length 141 [2023-11-19 04:12:15,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:15,180 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 302 transitions. [2023-11-19 04:12:15,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:12:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 302 transitions. [2023-11-19 04:12:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 04:12:15,182 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:15,183 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:15,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-19 04:12:15,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:12:15,393 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:15,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:15,394 INFO L85 PathProgramCache]: Analyzing trace with hash -925665440, now seen corresponding path program 1 times [2023-11-19 04:12:15,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:15,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601986562] [2023-11-19 04:12:15,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:15,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:12:15,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:15,397 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:12:15,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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 (10)] Waiting until timeout for monitored process [2023-11-19 04:12:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:15,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:12:15,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:12:15,881 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:15,881 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:15,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601986562] [2023-11-19 04:12:15,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601986562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:15,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:15,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:12:15,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422968573] [2023-11-19 04:12:15,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:15,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:12:15,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:15,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:12:15,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:12:15,886 INFO L87 Difference]: Start difference. First operand 215 states and 302 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:12:15,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:15,982 INFO L93 Difference]: Finished difference Result 478 states and 672 transitions. [2023-11-19 04:12:15,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:12:15,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2023-11-19 04:12:15,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:15,985 INFO L225 Difference]: With dead ends: 478 [2023-11-19 04:12:15,986 INFO L226 Difference]: Without dead ends: 266 [2023-11-19 04:12:15,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:12:15,987 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 61 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:15,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 645 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:12:15,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-11-19 04:12:16,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 220. [2023-11-19 04:12:16,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 188 states have (on average 1.324468085106383) internal successors, (249), 189 states have internal predecessors, (249), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:12:16,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 307 transitions. [2023-11-19 04:12:16,006 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 307 transitions. Word has length 141 [2023-11-19 04:12:16,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:16,007 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 307 transitions. [2023-11-19 04:12:16,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:12:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 307 transitions. [2023-11-19 04:12:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 04:12:16,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:16,010 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:16,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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 (10)] Forceful destruction successful, exit code 0 [2023-11-19 04:12:16,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:12:16,223 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:16,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:16,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1496674596, now seen corresponding path program 1 times [2023-11-19 04:12:16,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:16,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736964944] [2023-11-19 04:12:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:16,224 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:12:16,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:16,225 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:12:16,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa37764e-f1aa-4db8-961b-e1cacab38463/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 (11)] Waiting until timeout for monitored process [2023-11-19 04:12:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:16,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:12:16,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:16,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:12:16,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-19 04:12:17,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2023-11-19 04:12:17,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:17,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-19 04:12:17,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:17,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-19 04:12:17,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:17,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-19 04:12:17,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:17,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-19 04:12:18,168 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:18,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 49 [2023-11-19 04:12:18,546 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:18,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81 treesize of output 82